MODIFICATION OF CENTRALISED AIR CONDITIONING PLANT INCL CIVIL WORKS FOR TECH BLDG AT INS HANSA

Amount

MODIFICATION OF EXISTING TECH BLDG. M&L for guniting exposed concrete surfaces with one layer of complast spray set modified concrete 20mm average thickness in proportion (50Kg cement 3 to 6 mm granite chips 100 kg, zonal sand 50 kg and complast 2.5% to 3% by weight of cement & 12.5 to 16.5 ltrs of water mixed with admixture incl bonding agent after applying Dr Fixit Rust remover or equivalent chemical as approved by GE to old rusted reinforcement after necessary preparation of surfaces by brush application and guniting with pressure nozzle with a delivery capacity of 2.5 Kg/sqcm and removing the debris n exc 250 mtr and depositing the same, complete all as specified and as directed by Engr-in-charge to following locations:-

(a) 40mm thick as in columns

(b) 30mm thick as in beams

S&F hard drawn steel wire fabric cut to length bent to shape required and tying with and including mild steel wire (annealed) not less than 0.9mm dia of not exc 4 Kg/sq.m all as specified.

M&L for bonding the entire exposed surface with one coat of Forsroc Nitop bond SBR as per manufacturer's instructions over wire fabric and surfaces of concrete structure all as specified.

Taking down cement plaster on brick or stone walls, ceilings etc. including raking out joints, hacking for key, scrubbing down with water, etc all as specified.

M&L for rendering 15 mm thick on block masonry surfaces or other than fair faces of brick work in cement mortar 1:4. finished to even and smooth without using extra cement all as specified.

M&L for rendering 15 mm thick cement plaster on concrete solid block walls in two coats, first coat of 10 mm in CM 1:4 & 2nd coat of 5 mm in CM 1:4 mixed with 3% integral water proofing compound finished to even & smooth without using extra cement all as specified. Note :- Integral water proofing liquid compound will be measured and paid separately.

Supply only water proofing compound

M&L for preparing new/old surfaces of walls and applying two coats of fire resistance paint over a coat of primer complete all as specified and as directed by Engr-in-charge.

M&L for preparation of new/old plastered external surfaces of wall and applying two coats of weather proof high gloss antifungal paint on with suitable primer all as specified.

Demolition of Cement Concrete as in ground floors and pavings n exc 15 cm thickness (below or above ground level) and removing all as specified.

M&L for surface excavation not exceeding 30 cm deep and averaging 15 cm deep and getting out in Soft/disintegrated rock all as specified.

M&L for hardcore of gauge not exceeding 63 mm of broken stone, deposited, spread and levelled in layers not exceeding 15 cm thick, watered and rammed to a true surface providing proper slope for ramp all as specified.

Removing Excavated soils not exc 50 m and depositing where directed at a level not exc 1.5m above the starting point all as directed by Engr-in-Charge. (Modification of Existing Tech Bldg - 1, External Water Supply - 1.42)

M&L for precast cement concrete 1:3:6 type C-1 using 20mm graded stone aggregates solid block masonry built and set in cement mortar 1:6 all as specified. (Modification of Existing Tech Bldg - 3, Security wall and fencing - 4)

M&L for 75 mm thick Cement concrete type C2, 1:3:6 using 40mm graded stone aggregates as in sub base of flooring/ hard standing.

M&L for 100 mm thick Cement concrete type B-1, 1:2:4 using 20mm graded stone aggregates as in flooring/ hardstanding and finished the cement concrete surfaces even and smooth without using extra cement all as specified.

Roughening surfaces of old concrete floor by picking, sweeping clean and washing down with water to remove dust, etc. all as specified.

M&L for complete removal of existing treatment & preparation of old steel surface and applying one coat of red oxide zinc chrome primer and two coats of Epoxy anticorrosive paint over 10cm width or girth all as specified.

Taking down shutters of any description exc 2 sqm each complete all as specified and directed.

Demolition of stone /boulder masonry, built in cement mortar including all quoins, arches, pillars, etc., but excluding ashlar facings, dressed stonework and precast concrete articles all as specified.

Dismantling Wall and ceiling boards (fibre, pulp, insulation, etc.) or insulation boards/slabs/blankets of any thickness including cover fillets etc complete all as specified.

Taking down chowkat or frames exc 1.5 sqm but n exc 4 sqm each (w/o taking off shutters from the frame) complete all as specified and as directed.

Supply & Fix fire retardant/ flameproof mineral fiber Armstrong Suspended Ceiling System with ANF (Board) edge tiles with Armstrong 24mm exposed grid. The tiles should have Humidity Resistance (RH) of 90%, NRC 0.5, Light Reflectance ≥85%, Thermal Conductivity k = 0.052 - 0.057 w/m K, Colour White, Fire Performance UK Class 0 / Class1 (BS 476 pt - 6 &7) in module size of 600mm x 600mm x 15mm , suitable for Green Building application, with Recycled content of 34%. The tile shall be laid on Armstrong Prelude 38 with 24 mm wide T - section flanges colour white having rotary stitching on all T sections i.e. the Main Runner, 1200mm & 600mm, Cross Tees with a web height of 38mm and a load carrying capacity of 15.34Kgs/M2 & pull out strength of 100Kgs. The T Sections have a Galvanizing of 90 grams per M2 and installed with Suspension system of Armstrong make all as per manufacture's instructions and as specified.

Dismantling/Taking out existing hessian base felt of any other existing water proofing treatment from roof including cement plaster and exposing the top surface of RCC slab including removing dust, dirt, etc. and washing the roof and removing the dismantled debris to a distance exceeding 200m but not exceeding 3000m spread and levelled all as directed by Engr-in -charge.

M&L for providing 10 mm thick plaster in CM 1:4, mixed with 3% integral water proofing compound over roof top surface incl filling in all cracks by forming groove of 5mm x 5mm finished to even & smooth w/o using extra cement all as specified. Note :- Integral water proofing compound will be measured and paid separately

M&L for SIKA Bit® W-1 (Red or Grey powder) polymer modified cementitious adhesive over prepared concrete surfaces with mixing ratio of 8.75 litres of clean water per 30 Kilogram bag of SIKA Bit® W-1 with consumption of 2-3 Kilogram/Sqm complete all as specified and as directed by Engr-in-charge.

M&L for providing and applying 5.3mm ESD-Epoxy antistatic floor coating system including surface preparation by cleaning surface from dust, dirt, muck, moisture and all foreign materials and cleaned by mechanical means using mechanical scrubber/grinder, chemical treatment for cleaning oil if required followed by application of primer Nitoprime 25 of Sika Fosroc or similar to technical specification as approved by Garrison Engineer and technically acceptable in two component, epoxy based system all as specified.

The pre packed and factory weighed two components shall be mixed for 3 mins using a low speed drill and applied at 5.5 - 6.5 m2/ltr @ 200 microns thick. Then providing and applying the screed layer with Nitoflor EU5 of Fosroc or equivalent in Sika/Bostik at minimum thickness of 3000 microns @7.5 m2/pack @ 2mm thickness. The self levelling screed shall consist of a low viscous epoxy system and graded aggregate (special silica/Filler). The pre packed components shall be mixed as per the packing ratio and applied. The epoxy underlay shall achieve a minimum compressive strength of 60 N/mm2, Flexural strength of 20 N/mm2 and Tensile strength of 10N/mm2 @ 7 days. The underlay shall have nil water absorption when tested as per BS:1881 Part 122-1983. Then over the screed, apply copper tape of 100microns thick and 25mm width, connected to existing earth pit having spacing 10m both directions, then conductive primer coat Nitoflor SL of Fosroc or equivalent in Sika/Bostik Conductive Basecoat shall be applied at a thickness of 100 microns and then top coat of 2000microns - Nitoflor SL conductive of Fosroc or equivalent in Sika/Bostik shall be applied to provide approx. 3x103 - 9 x103 Ohm Surface resistance, which shall be supplied in pre-weighed packs and ready to mix and use which will consists of resin, hardener, EPI (colour concentrate) formulated aggregate and carbon fibre + special anti skid silica sand/Filler. All these to be mixed in the pre weighed ratio, add EPI colour (colour concentrate) and formulated aggregates + special antiskid silica sand/Filler to agitate the mixture by an electrically driven motor and lay the mixture to the thickness of 2000 microns then deaerate by using spike rollers and to allow to cure for a minimum period of 48 hours before trafficking is commenced. Over top coat demarcation paint with fluorescent will be applied.

M&L for cutting out existing damaged concrete slab with cutter in proper rectangular, square or triangular shape including washing existing surface of slab with (0.5N) hydrochloric acid @ 2.5 Ltr /10 Square Metre and applying epoxy resin primer 0.34 Kg/Square Metre and finally applying epoxy resin mortar comprising of one part of epoxy resin and seven parts of quartz sand mix No 10 by weight, laying and levelling in proper slope to flush with existing slab complete all as specified and as directed. Make: Fosroc/STP

M&L for cutting and racking out joints with cutter and cleaning with blower and making sides of joints bitumen free for all joints and sealing the joints with, Hydrocel XL of Fosroc or equivalent in Sika/Bostik High performance, cross linked, closed cell,non-absorbent, polyethylene joint filler, then filling the top gap with polyurethane based sealant Colpor 200 PF of Fosroc or equivalent in Sika/Bostik over a coat of primer including bond breaker caulked tightly into base of sealing groove complete all as per manufacturer's instructions and as directed by Engr-in-charge. Size of joints shall be 30 mm x 15 mm.

M & L for providing & applying white or yellow (Aisle) band marking with 2 component polyurethane resin + Hardener with fluorescent (FK 666) and applied on EPU flooring all as specified.

M&L for SIKA Bit® W-15, 1.5 mm thick (with 10% variation) double sided modified bitumen water proofing membrane consisting of cross laminated PE film and two modified bitumen layers covered with transparent release liners complete all as specified and as directed by Engr-in-charge.

Taking down eves, gutters and rain water pipe of any size or pattern incl all fittings, heads, shoes, bends and swan neck, etc. incl cleaning for refixing or removal all as directed by Engr-in-Charge.

S&F PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to walls 200mm dia all as specified.

S&F PVC plain bends of 200mm bore all as specified.

Taking down Chowkats or frames not exceeding 1.5 Sq. M each (Without taking off shutters from the frames) all as specified.

S&F aluminium window fixed type, frame top & bottom of rectangular tube and middle vertical and clip for fixing frosted/ pinheaded glass of size 5mm thick including necessary rubber beading, gasket etc complete all as specified and as directed.

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SECURITY WALL AND FENCING

Excavation in post holes (or similar holes ) n.exc 0.50 cum each and getting out in soft/ disintegrated rocks including returning, filling in with earth or broken rubble mixed with earth around, in layers not exceeding 25cm and ramming & watering and removing surplus soil to a distance n.exc 50mtr and making good the surfaces complete all as specified.

M&L for PCC (1:3:6) type C-2 using 40mm graded stone aggregates as in foundation filling and mass concrete as in fencing post complete all as specified and as directed .

S&F MS angle iron post with Y or swan neck & strut, etc. in fencing including cutting tops to shape as directed, drilling holes, notching for wire, etc, MS flat iron fillets for securing wire mesh, MS flat iron clamp for securing strut with post including all necessary drilling, bolting or riveting etc. and similar work conforming to Fe - 290 Gde E -165 all as specified and as directed.

M&L for preparation of steel surfaces over 10cm width or girth and applying one coat of red oxide zinc chrome primer and two coats of Epoxy anticorrosive paint complete all as specified.

S&F mild steel screws bolts (machine made) with hexagonal or square heads at one end and screwed the other or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, exc 5 cm long and diameter of shank 5 to 10mm complete all as specified and as directed .

Supply & fixing galvanized steel, 2 strand, barbed wire 2.24mm dia, barbed with 2mm dia barbs at 75mm spacings and straining and fixing to any type of standard rails, straining bolts including restraining, resecuring or tying at crossing with and provision of galvanized mild steel wire, staples or steel pins and making good staples, etc complete all as specified and as directed .

Supply only 4mm thick MS galvanised chain link fencing complete all as specified and as directed.

Fixing only chain-link fencing fixed to any type of post including line wires of any type of standard rails, straining bolts, etc. including provn of binding wire complete all as specified. Note:- Standard rail & straining bolts shall be measured and paid separately.

M&L for Mild steel bars of 10 mm dia as in tie for chain link fencing cut to length and bent to shape as required complete all as specified and as directed .

Excavation in trenches not exc. 1.5m in depth and not exc 1.5m wide as in soft/ disintegrated rock for foundation and getting out complete all as specified. (Security Wall and Fencing - 16, Ext Electrification - 31.05, External Water Supply - 4.73)

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25cm in soft/disintegrated rock all as specified.

Removing excavated material exc 250 mtr but n.exc. 500 mtr and depositing where directed at a level n.exc. 1.5 mtr above the starting point complete all as specified and as directed.

M&L for PCC 1:4:8 type D-2 using 40 mm graded broken stone aggregates as in foundation filling and mass concrete complete all as specified.

M&L for CRS TMT bars 10 mm dia and over cut to length and bent to shape as reqd including cranking, bending spirally for hooping for columns, hooking ends and binding with mild steel wire (annealed ) not less than 0.90mm dia complete all as specified and as directed .

M&L for CRS TMT bars 8 to 10 mm dia as in stirrups, spacers and binders, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips all as specified and directed.

Use and waste of formwork to sides of concrete foundations, footings, bases of columns, raft and raft beams, sides and soffits (if any) of foundation and plinth beams and similar work, vertical or to batter for rough finished flat surfaces of concrete complete all as specified and as directed .

Use and waste of formwork to side of pillars, posts, strut, pier, columns and stanchions for rough finished flat surface of concrete complete all as specified and as directed.

M&L for Reinforced Cement Concrete of grade M-20 (1:1.5:3) Volumetric and nominal mix concrete using 20mm graded stone aggregate as in foundation including plinth beams all as specified and as directed.

M&L for Reinforced Cement Concrete of grade M-20 (1:1.5:3) Volumetric and nominal mix concrete using 20mm graded stone aggregate as in columns, pillars, piers, posts and struts all as specified and as directed.

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M& L for 10 mm thick cement plaster in CM 1:4 on fair faces of brick work or concrete surfaces, finished fair and even complete all as specified.

M&L for PCC 1:2:4 type B-1 using 20mm graded broken stone aggregates as in coping including necessary formwork complete all as specified and as directed.

M&L for 15mm thick cement plaster in CM 1:4 on fair faces of brick work or concrete surfaces, finished even and smooth without using extra cement complete all as specified.

M&L for 20mm thick Granite (of any type) work (table rubbed and polished) as in steps, jambs, pillars, cooking platforms and like, set in cement mortar 1:4 including pointing with white cement using marble dust in ratio 1:2 with admixture of pigment to match with shade of granite complete all as specified.

S&F Framed work as in steel gates of angles or other section with gusset plates, rails, braces, etc. and gates to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging gate fittings complete all as specified .

S&F 1mm thick Mild steel plain black sheet as in wall cladding, steel gates and similar work, cut to size, holes punched; including round headed screws, clout nails or rivets and fixed to wood or steel framing with plain 40mm lap joints and riveting or welding complete all as specified and as directed.

M&L for preparing new plastered surfaces of walls and applying two coats of cement based paint over a coat of white cement primer complete all as specified and as directed.

CENTRAL AIRCONDITIONING SYSTEM

DISMANTLING & REMOVAL OF EXISTING EQUIPMENT Dismantling all the parts and components of existing central AC plant of running capacity of 3 x 22.5 TR and consisting of following major components & relocate the same in the Premises/ store yard as allocated by Engr-in-charge. (i) 3 x 22.5 TR scroll chillers (ii) Chilled Water Pumps (iii) Cooling Water Pumps (iv) Pipes and valves (v) Cooling Towers (vi) Main Chiller Panel, cabling and wiring etc (a) Capacity mentioned above are approximate. (b) After dismantling the plant, the plant room and other building structure damaged or disturbed so, shall be made good with and including all civil works as may be required for installation of new air conditioning plants and machineries as per the scope of work given in BOQ Sl item No. 4.002 to 4.114.

CENTRAL AIR CONDITIONING SYSTEM Supply, Installation, testing, balancing and commissioning of central air-conditioning plant and air conditioning sub systems as per scope of work given in the following items. Sub items of work to maintain design temperature of 15 ± 2°C and humidity of 50 ± 5% RH at the given building and as shown on drgs and based on other conditions as given in the User Data sheet and all as required as per the standard code of practice in the given field. Care has been taken to include all items as per below given scope of works, however in case any item of work of civil or electrical or mechanical not specifically specified but essentially required for successful and efficient completion and commissioning of air conditioning system shall be procured and fitted in the system to achieve the targeted and optimum performance, the cost of which is deemed to be included in the quoted rates against each item and as a whole for the air conditioning of given building in this work.

CHILLER (1W+1S) Water Cooled VFD type Screw Brine Chiller Package including Chiller Plant Manager

Supply, Installation, Testing & commissioning of Screw Chiller as per the specifications & with following Tech Data -Design, SITC of Brine Chilling machine complete with Hermetic OR Semi-hermetic Compressor, R-134A or R-407C Refrigerant, Motor, Water Cooled Condenser, Insulated Chiller, Integral acoustic insulation for the entire chiller to reduce noise level, Differential pressure switch, Victaulic coupling, Electronic expansion valve, Flow switch at Chiller & Condenser, Power control and microprocessor based control system, Vibration Isolator, Integral Refrigerant piping & wiring, Accessories as required and called for Automatic and safety Control mounted in central Console Panel, Necessary Cabling & Earthing Strip & All mounted on a Steel frame complete & Factory tested at test bed. Operating Voltage 415 V ± 10 %, 50 c/s, 3 Phase, AC supply. Ref. Capacity (Actual - at design parameters) - 60 TR Chilled Water O/I Temp - 0 / 5°C Cooling Water I/O Temp - 32.2 / 37.8°C Condenser Fouling Factor - 0.000088 m² °C/W Chilled Brine Flow - 144USGPM Condenser Water Flow- 280USGPM Brine Concentration (16-20% MEG) Part load energy efficiency at AHRI Relief - 6.5 Minimum COP at AHRI Relief - 4.8 Sound Pressure Level @ 3m should not exceed 75 db(A) Maximum ΔP across Evaporator ≤ 3.0 mwc Maximum ΔP across Condenser ≤ 8.0 mwc

CHILLER ACCESSORIES: Following chiller accessories will be provided with the chiller systems:- Restrained Spring Isolators Vibration Isolator Of Approved Make Required For Following Equipment & In Rating. Spring elements shall have a lateral stiffness greater than 1.2 times the rated vertical stiffness and shall be designed to provide a minimum of 50% overload capacity. Non-welded spring elements shall be polyester powder coated, and shall have a 1000 hr rating when tested in accordance with ASTM B-117. - Suitable for Chiller Operating Weight - 8 nos - Suitable for Chilled Brine & Cooling Water Pumps & their Operating Weight - 16 nos NOTES: [i] Mapping shall be required for all critical points displayed on the chiller control panel. The chiller shall be BMS compatible and shall have RS485 / RS232 serial communication protocol. [ii] Chillers shall be integrated and connected with CPM (Chiller Plant Manager) specified elsewhere in this tender document for complete auto operation and optimization of plant. [iii] The unit shall be suitable for 3- Phase, 415 V ± 10%, 50 Hz AC electric supply, with a built-in microprocessor based control panel.

Supply, Installation, Testing & commissioning of Single Arch Rubber Bellow for Chillers and Pumps complete with Control Guide Assembly as under:

(a) Single Arch Rubber Bellow for Chillers and Pumps for 100mm dia

(b) Single Arch Rubber Bellow for Chillers and Pumps for 125mm dia

Chiller Plant Manager Supply, Installation, Testing and Commissioning of intelligent chiller plant manager including LCD display, PLC controller with all instrument, sensors, accessories and interconnecting control and power cabling etc ,supporting and controlling the water cooled chiller plant. The programmable logic controller shall be specifically designed to control 2 x water cooled screw chillers, 2 x cooling towers, 2 x condenser pumps, 2 x chiller pumps, zone demand sensor (DP or temp sensor) and Water level switches in cooling towers. The CPM controller should be capable of sequencing, staging, scheduling, load sharing between chillers and optimization. The controller shall be able to communicate to BMS with Modbus/BACnet/ lonworks protocol. The quoted rates shall include all the features mentioned above and 4 nos. water temperature sensors and 1 no. outside air temperature sensor. Note : Rate for below mentioned Field Instruments and cabling of the same is deemed to be included in the quoted rate (i) DPT Sensors (ii) Immersion temp sensors (iii) T & RH Sensors (iv) Energy meters for chillers (v) Plant manager cabling with Cable trays with cover as per plant room layout

PUMPS (1W+1S)

Chilled Water Pumps with the following parameters : Supply, Installation, Testing and Commissioning of Horizontal End suction back pull out type, IE-3 motor rating, Primary Centrifugal pump sets with Cast Iron casing & bronze Impeller & Shaft seals with TEFC motor suitable for 3 Phase, 415 V ± 10 %, 50 c/s, AC Power supply, Necessary Cabling & Earthing Strip, mounted on common base frame etc. The pump shall be duly insulated and of following specifications:- Technical Data : Water Quantity - 160 GPM Static Head - 16 meters Speed - 1450 RPM Impeller - Bronze

Cooling Water Pumps with the following parameters : Supply, Installation, Testing and Commissioning of Horizontal End suction back pull out type, IE-3 motor rating, Cooling Water Centrifugal pump sets with Cast Iron casing & bronze Impeller & Shaft seals with TEFC motor suitable for 3 Phase, 415 V ± 10 %, 50 c/s, AC Power supply, Necessary Cabling & Earthing Strip, mounted on common base frame, etc. The pump shall be duly insulated and of following specifications:- Technical Data : Water Quantity - 250 GPM Static Head - 20 meters Speed - 1450 RPM Impeller - Bronze

COOLING TOWER (1W + 1S)

Supply, Installation, Testing and Commissioning of Cooling Tower Induced Draught Counter flow (CTI Certified) with fan, VFD on fan motor as per following specifications and operating parameters:- Cooling Capacity - 75TR Wet Bulb Temp. - 28.3° C Entering Water Temp. - 37.8° C Leaving Water Temp. - 32.2° C Flow Rate capacity per cooling tower - 350 GPM Notes:- Necessary foundation, fabrication & installation of MS structure for cooling tower shall be as per OEM recommendations and the cost thereof shall be deemed to be included in the quoted rates.

Automatic Condenser Cleaning System-Supply, Installation, Testing & Commissioning of Automatic Brush Ball Online tube cleaning system equipped with computer control panel, ball re-circulation device, ball entrapment module, ball diverter module, ball injection module requiring cleaning balls for cleaning condenser tube system for each chiller. The cleaning devices shall comprise different types of elastomeric balls of various sizes and different specific gravities to effect the tube cleaning process at predetermined time while the condenser is online. The automatic tube cleaning system shall be equipped with a master programmable logic controller with user definable features to adjust cleaning cycle frequency, injection timing, retrieval timing and rest cycle timing to suit operational parameters of condenser, ball injection module, ball retrieval module and related piping configuration comprising the master mechanical components control system to be installed for each chiller condenser. The automatic tube cleaning system shall utilize cleaning balls with spikes configured to reach and clean grooves of enhanced tubes. The automatic ball tube cleaning system shall utilise cleaning balls with diameter smaller than the diameter of the tubes. The automatic tube cleaning system shall utilize eccentrically weighted cleaning balls to enhance dynamic zig-zag impact cleaning mechanism capable of cleaning grooves of enhanced tubes. An Independent System to be provided for each Chiller. Brush Ball ATCS for 60 TR Chiller Condenser with Inlet/Outlet Connection of 80mm Ø

CHILLED BRINE DISTRIBUTION SYSTEM (WITH INSULATION)

INSULATED CHILLED BRINE PIPING (With Nitrile rubber insulation)

Supplying, laying/ fixing, testing and commissioning of following nominal sizes of chilled brine piping including flanges, gaskets and bends/tees or fittings as required inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges, etc.) duly insulated with closed cell elastomeric nitrile rubber of minimum 45 Kg/cum density, Material shall have flammability class V-0 as per UL 94, thermal conductivity 0.037 W/MK or better at 20 degree mean temperature, class 'O' insulation applied by suitable adhesive complete including repairing of damage to building etc. as per specifications and as required complete in all respect. Note:- The Pipes of sizes 150mm & below shall be MS 'C' class as per IS : 1239 and pipes of size above 150mm shall be welded black steel pipe heavy class as per IS: 3589, manufactured from minimum 6.35mm thick MS Sheet for pipes upto 350mm dia and from minimum 7mm thick MS sheet for pipes of 400mm dia and above, closed Cell Class ‘O’ Nitrile rubber with plain tubing & separate layer of Glass Cloth.

(a) 100mm dia with 44mm thick insulation of Layer 1 - 19+ mm thick and Layer 2 - 25 mm thick with GC complete.

(b) 40mm dia with 44mm thick insulation of Layer1 - 19+ mm thick and Layer 2 - 25 mm thick with GC complete.

(c) 25mm dia with 44mm thick insulation of Layer 1 - 19+ mm thick and Layer 2 - 25 mm thick with GC complete.

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DRAIN PIPING : Supply, Installation, Testing & commissioning For Drain of MS 'B' class piping conforming to IS: 1239/3569 heavy class chilled water piping including all necessary fittings like anchor fasteners, pipe supporting frame structure, couplings, seamless bends, elbows, Tees, union, reducers, expander ASA 150 ISRF flanges, CAF gaskets, nuts & bolts, etc. insulated with 13mm thickness Nitrile Rubber as per specification of 32mm dia size.

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BUTTERFLY VALVE (MANUAL) - Supplying, fixing, testing and commissioning Butterfly valves with CI body SS Disc, Nitrile Rubber Seal & O- Ring PN-16 pressure rating for chilled brine water circulation as specified and with Insulation as per specification of 100mm dia size.

Ball valves for Drain: Supply, installation, testing & commissioning of heavy duty valves PN-16 rated for all valves, except for AHU valve station which shall be with PN-10 Rating valves as specified and adequately supported with secured supports, nuts, bolts, gasket, etc all as shown on the drawing complete with Insulation as per specifications of following sizes:-

(a) 25mm dia

(b) 40mm dia

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Motorized ON/OFF Butterfly Valves : Supply, installation, testing & commissioning of heavy duty valves PN-16 rated for all valves, except for AHU valve station which shall be with PN-10 Rating valves as specified and adequately supported with seured supports, nuts, bolts, gasket, etc as shown on the drawing complete with Insulation as per Specification of 100mm dia size.

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3-Way Diverting ON/OFF Valve: Supply, installation, testing & commissioning of insulated 3 way ON/OFF valves of 100mm dia size of forged brass body in a single body, flow regulation cartridge assembly shall be precision ground, 304 SS and shall be available in three KPaD control range, minimum flow range shall be capable of being activated by minimum 10 KPa & shall be capable of controlling flow within ± 5% of rated flow. The actuator shall be for ON/OFF operation of valve & shall be suitable for 230 ± 10% V & 50 Hz. The valves shall be complete with thermostat control box for precise control of the supply air to achieve 15°C temperature inside the given space fitted with sensors in return air and contactors/breakers as required & control wiring complete all as per specification.

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S&F BALANCING VALVE WITH BUILT IN MEASURING FACILITY with CI body flanged construction with EPDM coated disc with long pitch with protected out pipe insulation & PN 16 pressure rating for chilled / hot water circulation all as specified including Insulation as per Specifications of 100mm dia size.

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S&F NON-RETURN VALVE with dual plate of CI body, SS plates vulcanized NBR seal flanged end & PN-16 pressure rating for chilled/ hot water circulation including insulation all as specified of 100mm dia size.

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S&F Y-STRAINER of Ductile CI Body flanged ends with stainless steel strainer for chilled/ hot water circulation including insulation all as specified of 100mm dia size.

Providing and fixing in position the industrial type pressure gauge with gun metal/ brass valves complete of required size all as specified.

Providing & fixing in position the mercury in glass industrial type thermometer all as specified.

MEG Charging: Initial charging of the complete AC system with MEG solution (Brine Concentration 16-20% as per requirement) complete as required and as specified by the OEM of chillers.

Miscellaneous

Supply, installation, testing and commissioning of Automatic Air vents of 15/25 mm dia complete all as specified.

OPEN EXPANSION TANK : Supply, installation, testing & commissioning of Open expansion tank as per the specifications complete with Heavy duty float valves, accessories & insulation with nitrile rubber as per specifications of capacity - 250 Ltrs. Notes: The expansion tank shall be installed at highest level in the system by providing new MS support structure as per requirement and cost there of shall be included in the quoted rates.

Supply, installation, testing & commissioning of Chilled brine Line Flow Switch:- Notes: (a) All valves and fittings/ fixtures shall be suitable for PN 16 rating. (b) All motorized valves (butterfly, three / two way and ball valves) actuators shall be "BMS" compatible.

CONDENSOR WATER DISTRIBUTION SYSTEM

CONDENSER WATER PIPE Supplying, fixing, testing and commissioning of condenser water pipes including flanges, gaskets and bends/tees or fittings as required of following sizes of MS 'C' class alongwith necessary clamps, vibration isolators and fittings such as bends, tees etc. but excluding valves, strainers, gauges, etc. adequately supported on rigid supports duly painted/buried in the ground including excavation and refilling etc. as per specifications and as required complete in all respect. Note:-The Pipes size 150mm & below shall be MS 'C' class as per IS : 1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS: 3589 manufactured from minimum 6.35 mm thick MS Sheet for pipes upto 350 mm dia and from minimum 7mm thick MS sheet for pipes of 400 mm dia and above with GC Cloth and 2 mm thick FRP Coating of following sizes:-

(a) 125mm dia.

(b) 100mm dia.

(c) 50mm dia.

VALVES WITHOUT INSULATION

BUTTERFLY VALVE (MANUAL) - Supplying, fixing, testing and commissioning of butterfly valve 125mm dia size with CI body SS disc nitrile sheet & O-Ring & PN 16 pressure rating all as specified:-

(a) 125mm dia.

(b) 50mm dia.

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BALL VALVES FOR DRAIN: Supply, installation, testing & commissioning of heavy duty valves of 25mm dia size, PN-16 rated for all valves, except for AHU valve station which shall be with PN-10 Rating valves including additional supports and nuts, bolts, gaskets, etc complete all as specified.

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Supplying, fixing, testing and commissioning of 125mm dia size Motorized Butterfly Valve with CI Body, SS Disc, O - ring and minimum PN-16 pressure rating, conforming to BS 5155, IS 13095, with IP-55 actuator, capable of accepting upto 10V DC and upto 20mA electric signal and providing similar transduced feedback output to control system as required.

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S&F Balancing valve with built in measuring facility with CI body flanged construction with EPDM coated disc with long pitch with protected out pipe insulation & PN 16 pressure rating for chilled/ hot water circulation all as specified of 125mm dia size.

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S&F Non-return valve with dual plate of CI body SS plates vulcanized NBR seal flanged end & PN-16 pressure rating all as specified of 125mm dia sizes.

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POT Strainers Supply, installation, testing and commissioning of PN 16 Rating Pot Strainer MS body, bolted cover, flanged ends, basket of bronze wire mesh 24G X 14 mesh for condenser water application complete with flanges, nuts-bolts, gaskets as required and all as specified of 125mm dia size.

Providing and fixing in position the industrial type pressure gauge with gun metal/ brass valves complete of required size all as specified.

Providing & fixing in position the mercury in glass industrial type thermometers all as specified.

Supply, installation, testing and commissioning of Automatic Air vents of 15/25mm dia. Notes: All valves and fittings/ fixtures shall be suitable for PN 16 rating. All motorized valves (butterfly, three / two way and ball valves) actuators shall be "BMS" compatible.

AIR HANDLING UNITS Supply, Installation, Testing and commissioning of OUTDOOR Floor Mounted Horizontal Air handling units of following specifications: - CHILLED BRINE TYPE AHU Frame Structure: Panel: 48mm ± 2mm thick double skin sandwich panels with rockwool insulation of density 40 kg/Cubic Metre, The sheet thickness shall be minimum 0.8 mm for the outer skin and 0.6 mm thickness for the inner skin of GI. Mixing Box: shall be provided to enter return air in a closed loop with fresh air intake duct and damper.

Humidistat & Strip Heaters: Fully automated humidity control system consisting of 36 KW strip heater capacity in steps of 3 KW and control panel. The manufacturer shall furnish a control box containing contactors & relays of appropriate current capacity/size, circuit breaker and appropriate Air conditioning application Humidistat to ensure precise humidity control of 60 ± 5%. Heater control box shall be mounted on the designated hand side of the unit.

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Air Curtains: Supply, installation, testing and commissioning of air curtain complete with MS hanging supports, electrical cabling length suitable as per site condition, with velocity of 12-14 m/s. (Russell, Jet International or System air make) Loading & Unloading, & Lifting Shifting till the dedicated floor level to be done by the AC Vendor of size 6'0" Wide, 1025 m³/hr, 12-14 m/sec noise level < 70 DB for (Door Ht = Approx. 9m).

DUCTING, GRILLS, DIFFUSER AND INSULATION Supply, Installation, Testing & Commissioning of FACTORY / SITE FABRICATED rectangular sheet metal ducts of following sizes as per specifications detailed in tender, made of Class VIII GP sheet as per SMACNA Standard for medium pressure air flow with MS angle / TDF flanges, supports, anchor fasteners, food grade gaskets and RTV sealant in accordance with the approved shop drawings. it is mandatory to use factory fabricated ducts for minimum 85% of the ducting system. Use of Site fabricated ducts should be restricted to only 'to suit' pieces. Cold rolled sheets continuous galvanized sheet steel with zinc coating as per class VIII confirming to IS:277-1962 (revised)(where ever specified) of LFQ (Lock Forming Quality) grade. Galvanizing shall be of 120gms/sq. m (Total coating on both sides) The fabrication of the ducting system for air-conditioning & Ventilation shall conform to SMACNA-1995 standards ("HVAC Duct Construction Standards - Metal and Flexible - Second Edition - 1995"-SMACNA). G.I. Sheet Metal Duct (Rectangular)

(a) 1.0mm Ducting - 20 G

(b) 0.8mm Ducting - 22 G

(c) 0.63mm Ducting - 24 G

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Flexible Duct Supply, installation, testing and commissioning of 350mm dia size of insulated flexible ducting with its matching supports and other accessories. Flexible Duct are made out of flexible plastic over a metal wire coil to make round, with layer of fiberglass insulation. Supply, Installation, Testing and Commissioning of insulated flexible ducts. The insulated flexible duct shall have inner core made of double lamination of metalized polyester film permanently bonded to a coated spring steel wire helix. Fibreglass insulation of minimum 14 kg/cum density having a R-value 4.2oF-Ft2-hr/ btu and 25mm thick shall be wrapped over the inner core and covered with stronger outer jacket cum vapour barrier made out of fibreglass reinforced metalized polyester film laminate. The insulated flexible duct should be fire retardant type and Limit of Flexible Duct shall not be more than 3 Ft Length for Diffuser Connection

Supply, installation, testing and commissioning of GI volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges, etc all as per specifications.

Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/main branch and return air path as and where required of required sizes including control wiring, The damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and all as per specifications.

(a) Fire Damper

(b) Actuator

Supply and installation of aluminium extruded powder coated Square type (600 x 600mm grid ceiling type) Supply air diffusers with VCD and 32mm nitrile Insulated Plenum

Supply and installation of aluminium extruded powder coated Square type (600 x 600mm grid ceiling type) Return air diffusers without VCD and 32mm nitrile Insulated Plenum

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Supply, Installation, Testing and commissioning of Thermal Insulation of ducts with 44mm thick Layer 1 - 19+ mm thick and Layer 2 - 25mm thick Nitrile Rubber. Density of Material shall be between 40 to 60 Kg/m3. Material shall have flammability class V-0 as per UL 94 and shall be FM Approved.

Supply and installation of acoustic lining within supply air ducts with 32mm thick open cell Nitrile Rubber

DATA LOGGER: Supply, installation, testing and commissioning of Temperature & Humidity Data Logger with Audio visual alarm system including all sensors, cabling and wiring (Indoor + Outdoor)

S & F Under deck Insulation material of Closed Cell 25mm Elastomeric Nitrile Rubber Class O of "Armaflex" make, Density of Material shall be between 40 to 60 Kg/m³ duly fixed to ceiling with suitable framework and fixing arrangements complete all as specified.

M&L for Motorised Double leaf cold storage sliding door made up of 0.5mm thick pre painted galvanized sheet on both sides with injected CFC free polyurethane (PUR) foam and Anodized aluminium leaf edge with following specifications:- (a) Insulation thickness-90mm minimum. (b) Clear width - 3200mm, clear height - 3200mm. (c) Colour as specified by Engr-in-charge. (d) Density of PUR 40-43 Kg/m3 minimum. (e) Single line EPDM gasket for door. (f) Operator panel having Control Board, Push Button and Safety Photocell. (g) Lockable door with stainless steel padlock with emergency panic release on inside and interlocking system. (h) Integrated handle inside & outside made up of stainless steel and composite plastic. (Model No. GTN9A of Make GAPL or techno-commercial equivalent of any other model and make approved by GE)

M&L for normal single leaf cold storage door made up of 0.5mm thick pre painted galvanized sheet on both sides with injected CFC free polyurethane (PUR) foam and Anodized aluminium leaf edge with following specifications:- (a) Insulation thickness-70mm minimum. (b) Clear width - 900mm, clear height - 2100mm. (c) Colour as specified by Engr-in-charge. (d) Density of PUR 40-43 Kg/m3 minimum. (e) Single line EPDM gasket for door. (f) Lockable door with stainless steel padlock with emergency panic release on inside and interlocking system. (g) Integrated handle inside & outside made up of stainless steel and composite plastic. (Model No. HTN7 of Make GAPL or techno-commercial equivalent of any other model and make approved by GE)

ELECTRICAL WORK

(B) Outgoing - (i) 160 amps, 3 pole, 415 V AC, 50 Hz, ultimate breaking capacity 25 KA, TM Based MCCB With On/Off/Trip Indication and MFM Meter with CT - 02 Nos (Chiller No.1 & 2) - 1 Working + 1 Standby (ii) 32Amps, TP, MCCB & DOL Starter 25 KA – 02 Nos, (02 Nos CHILLED BRINE PUMPS - 1 Working + 1 Standby). (iii) 40 Amps, TP, MCCB & DOL Starter 25 KA – 02 Nos, (02 Nos CONDENSER WATER PUMPS - 1 Working + 1 Standby). (iv) 32 Amps, TP, MCCB & DOL Starter 25 KA – 02 Nos, (02 Nos COOLING Tower - 1 Working +1 S/by) (v) 100 Amps, TP, MCCB, 25 KA – 01 Nos, (01 Nos For AHU (Only Power Provision) - 1 Working). (vii) 100 Amps, TP, MCCB, 25 KA – 01 Nos, (01 Nos For APFCR - 40KVAR (Only Power Provision) - 1 Working). (viii) 32 A FP MCB - for local wiring Note: Minor changes in control panel for any extra/additional provisions as may be essentially required for successful commissioning and functioning of various plants and components as per the overall requirement to meet the specified air-conditioning performance shall be provided by the contractor without any additional cost to the department.

Supply, installation, testing and commissioning 3 phase and neutral, 415 volts indoor type, factory-made free-standing floor mounting or Wall mounting, dust and vermin proof cubical type, LT panel fabricated from 2.0 mm Indoor type thick CRCA sheet duly compartmentalized for each switch gear, front hinged opening locking arrangement with chromium plated 19 mm dia locks, louvers and air vent gasket for natural air, `U` shape rubber gasket, voltmeter, ammeter, Frequency meter. Panel should be anti-corrosive coating and finally epoxy polyester powder coating of Siemens Grey shade (RAL-7032), Protection class IP 43, fully compartmentalized design with 150 Amp Aluminium Busbars. and comprising following:- (A) Incoming - 100 A MCCB FP 35 KA with MF meter and displays. (B) Outgoing: (i) 40 A MCCB TP 25 KA - for AHU fan (ii) 63 Amps, TP, MCCB, 25 KA – 01 No For Humidistat/ Heater control box (iii) 10 A SP MCB - for Thermostat and 3 way diverting valve control box Note: Minor changes in control panel for any extra/additional provisions as may be essentially required for successful commissioning and functioning of various plants and components as per the overall requirement to meet the specified air conditioning performance shall be provided by the contractor without any additional cost to the department.

Supply, installation, Testing & Commissioning of 40 KVAR - Contactor Based with Aluminium Reactor APFC Panel in steps of 3 x 10 KVAR + 2 x 5 KVAR configuration all as specified.

POWER CABLES - M & L for ISI marked 1.1 kV grade aluminium conductor, XLPE insulated armoured cables of following sizes conforming to IS: 7098 (Part 1)- 1988 having stranded aluminium compact shaped conductor laid in trenches or on cable trays as per Class 2, IS: 8130- 1984, PVC inner sheath, single armouring of galvanized steel strip/wire and PVC Type ST2 outer sheath conforming to IS: 5831- 1984, including termination complete as specified and as directed.

(a) 3.5 Core X 120 mm² (Chillers)

(b) 3.5 core X 50 mm² (AHU panel, Heaters & APFC Panel)

(c) 4 Core X 16 mm² (Cooling Towers)

(d) 4 Core X 10 mm² ( Pumps)

(e) 3 Core X 6 mm² ( Local DB)

(f) 3 Core X 2.5 mm²

(h) 3 Core X 1.5 mm²

Cable Tray - Supply and Installation of Hot Dipped Galvanised Ladder Type Tray 2mm thick Cable trays of following sizes:-

(a) 400 W x 50 H x 2mm thick cable trays

(b) 200 W x 50 H x 2 mm thick cable trays

(c) 100 W x 50 H x 2mm thick cable trays

(d) 50 W x 25 H x 2mm thick cable trays

Earthing

M & L for earthing complete with GI earth plate electrode of 60 cm x 60 cm x 6 mm size, buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level, connected to GI strip of size 25 mm x 4 mm as earth lead, by means of bolts, buts, check nuts and washers of galvanised iron or steel, galvanized iron pipe of 40 mm diameter, connected to earthing test point, all as shown in electrical plate No. 5 connected to earthing test point all as specified or indicated including testing on completion and including excavation, earthwork, PCC earth pit of dimensions 550 mm X 550 mm (outer) and 300 mm X 300 mm (inner) and 250 mm deep, with a 10 mm thick CI cover, hinged to CI frame on ground level, GI watering pipe, funnel, etc. complete as specified and directed by the engineer-in-charge. Notes: (i) The cost of GI earth continuity conductor with GI pipe 40mm medium grade upto 7.5m is deemed to be included in r/o above item (ii) The earth chamber to be constructed 0.5m from edge of earth pit with necessary watering arrangement and the cost for the same is deemed to be included in quoted rate above item. Note: Earthing shall be meshed together and will be terminated on two different wall mounted common bus/test link made out of 50 mm x 6 mm GI strip with round holes for bolting of earthing connections.

S & F 50 x 6 mm (GI Earth Strip)

S & F 25 x 6 mm (GI Earth Strip)

S & F 8 Gauge GI Wire as earth continuity conductor.

Supply and fix in replacement of HDPE make-up water tank multi layered of 2 x 10,000 litres capacity made up of 100% virgin material, having 100% UV stabilized white outer layer, threaded lid, extra insert lid for protection against algae formation complete with inter-connection piping and non-return valve etc complete all as specified and directed. (i) The HDPE tank shall be placed on a sturdy PCC platform at appropriate height. (ii) The HDPE tanks shall be secured on all four sides with suitable MS frame work up to a height of 4 feet to withstand a storm wind pressure. (iii) Old U/S tank with interconnecting pipelines shall be issued to contractor under sch of credit.

Notes for Supply & Installation of Structural Steel & Other Civil Works:- (a) The scope of work for air conditioning system also includes all kind of civil works and complete supply, transport, unloading, shifting & Fabrication of steel sections and erection of MS base frames, MS angle channels, flat, anchor fasteners etc. for supporting various items of equipment such as various panels/switchgear, dummy panels, adaptor boxes, additional support for proper cable termination, MS Fabricated cable trays, push button stations, junction boxes, DB, etc. The scope include welding, bolting, chipping, grouting etc., including applying one antirust coat of approved primer and two finished coats of approved paint with primer & paint, breaking and finishing of walls, floors, etc. Contractor has to apply one coat of antirust paint (Red-oxide) before installation. The scope is inclusive of minor civil work as required, supply of GI hardware materials, consumables, tools & tackles and necessary labour with supervision but not limited to, and complete as per approved drawings, specification and directions of Engineer-In charge. The scope also includes transportation of material from owner’s issue point to actual place of work by contractor's own lifting and transporting arrangement. (b) The cost of all these above is deemed to be included in the quoted rate against each item and nothing extra shall be paid to the contractor.

INTERNAL ELECTRIFICATION

Taking down existing flameproof LED fittings from ceiling alongwith all connections and wiring and depositing in MES store yard all as directed by Engineer-in-Charge.

Supply, installation, testing and commissioning of Explosion Proof 60W, 240V AC, Flameproof Clean Room LED Light with proper glanding. The fittings shall be suspended and shall be installed as per manufacturer's standard at locations shown in the drawing. Cables shall be Properly terminated, glanded and numbered at light fitting & switch end all as directed by Engineer-in-Charge.

Supply, installation and commissioning of 10A Flameproof Rotary Switch Station with IP 66, Explosion Proof type enclosure with standard accessories complete all as directed by Engineer-in-Charge.

Supply & fix 2.5 sqmm 3 core cable 1100V copper armoured, fire Resistance LSZH outer sheathed cable conforming to BS-7846 laid and tied on Hot dip GI 'Z' section including readymade cable tray or drawn in existing pipes etc and with necessary accessories etc complete all as specified and as directed.

Supply and installation of Flameproof type Double Compression Cable Gland suitable for the 2.5 SQ MM 3 Core copper Armoured cable and copper lugs for termination and accessories required to complete job all as specified and as directed by Engineer-in-Charge.

EXTERNAL ELECTRIFICATION

Excavation in trenches 1.5 Mtr wide and not exc 1.5 Mtr deep and getting out in hard/dense soil including levelling of bottom surface to required level for laying UG cable/ erection of poles all as specified and as directed. (Ext Electrification - 62.10, Ext Water Supply - 9.45)

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Excavation in trenches by cutting of road crossing/PCC hard standing/ under boundary wall for laying of pipe/cable including making good the existing surface with the same finish to match with the original finish all as directed by Engr-in-Charge. (Ext Electrification - 2, Ext Water Supply - 1.5)

Returning filling in including spreading, levelling, watering and well ramming in layers not exc 25cm thick each in hard/ dense soil all as specified and as directed. (Ext Electrification - 46.58, Ext Water Supply - 12.76)

Removing excavated materials/ soil from site to a distance not exc 100 mtr and depositing where directed at a level not exc 1.5 mtr above the starting point all as specified and as directed by Engineer-in-Charge.

Supply & lay in trenches dry sand/ M- Sand for cushioning to underground cable, 8 cm thick below and 15 cm thick above the cable complete in level all as specified and directed by Engineer-in-Charge. Note: Punned thickness of sand only will be measured and paid.

Supply and lay unreinforced precast concrete cable cover, class LV, type 1, flat of size 250 mm x 150 mm x 40 mm as in trenches as in protection of underground cable complete all as specified.

Supplying and fixing of 70/75 watt LED street light fitting with pressure die cast aluminium housing & toughened glass with IP-66 degree protection, individual LED's must have peanut lenses for better throw across & along the road with luminaire efficacy of greater than 120 lumen/Watt (Minimum lumen output of luminaire should be 6000 Lumens) including street light bracket made out of GI tubing of 40 mm dia for fixing on wall/pole. The luminaire should have 5 KV surge protection, PF > 0.95, and total harmonic distortion of THD < 10%, voltage range of 140-280V should be provided. The manufacturer's LOGO must be embossed/Engraved in the housing of the luminaire complete all as directed by Engineer-in-Charge.

Supply and fix Hot dip galvanised Iron octagonal pole of height 7 metres, minimum galvanising of 70 mm micron, bottom 130mm and 3 mm sheet thickness in single section without any weld joints with square plate of minimum dimensions 225 x 225 x 12 mm including foundation bolts, single arm GI bracket of 900 x 1000 mm for mounting the light fittings at an angle of 120 degree, Bakelite sheet with one 6A SP MCB and 16 mm stud type connectors-04 nos, inside the pole at the door opening for cable connections, common template is minimum one for each 15 poles, fixed and bolted on and including suitable PCC pedestal as per manufacturer's recommendations and specifications (for street/security lights) all as directed. Mast and pole shaft shall be as per BSEN 10025, IS 5986, ASTM A572.

M & L for Earthing complete with GI earth plate electrode of 600 x 600 x 6 mm thick buried directly in ground (earth pit not less than 2.5mtr deep below normal ground level and top edge of the plate not less than 1.5 mtr below normal ground level) connected to galvanised earth wire of size 4 mm dia by mean of nuts/ bolts, check nuts and washers of brass as shown in electrical plate No. 5 of SSR part-I including necessary excavation and earth work, GI pipe 15 mm bore light grade for watering with Funnel, wire mesh and protection to earth lead shall be provided with GI pipe light grade 20 mm dia upto 7.5 mtr from the earth plate electrode and refilling of soil including adequate quantity of charcoal dust and common salt, etc & earth work in any strata, PCC earth pit chamber of size 550 mm x 550 mm (Outer) and 300 mm x 300 mm (Inner) and 250 mm deep in cement concrete 1:3:6 type C-2 with 40 mm thick Precast RCC cover slab 1:2:4 type B1, with 8 mm dia TMT bar and handle with lifting hooks including testing complete all as specified and as directed.

Supply and lay cable XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) 1100 volts grade with stranded aluminium conductor of size 25 sqmm 4 core all as specified.

FIRE FIGHTING

Supply, Installation, Testing, perfect aligning and proper levelling and commissioning of portable high capacity trolley mounted engine driven Fire Pump, horizontal end suction, centrifugal type conforming to IS- 12717 with CI casing, bronze impeller and stainless steel shaft mounted on heavy duty bearings suitable for continuous operation with 'range of operation' 0 % to 150 % of rated capacity for delivering 1100 - 1600 LPM discharge at 7 kgf/cm2.

Supply, installation, testing and commissioning of Fire Alarm sounders / sirens Electronic type horizontal single stage continuous, normal operation for atleast 50 min with sound level 65 Db to 120 Db measured at 1.5m with sound output variation of +5 Db for 500 m range all as specified.

Supply, installation, testing and commissioning of Intelligent Addressable Fire Alarm Panel, 2 Loop capacity from 99 detectors & 99 modules up to 200 detectors and modules on every loop, minimum 160 characters LCD Display, Battery Charger and Power Supply. Complete with all mounting accessories furnished with SMF type Lead Acid Battery in above panel for 24 hours backup in case of power failure and 30 minutes in Alarm Condition all as specified.

Supply, installation, testing and commissioning of Addressable Manual call point break glass type with alarm LED complete including provision of MS box of suitable size for concealing the MCP in the wall and including mounting accessories all as specified.

Supply, Installation, Testing and Commissioning of remote response indicators with and including all consumables etc. complete all as specified.

Supply, installation, testing and commissioning of ISI Marked 2 core x 1.5 sqmm, Multistrand Copper conductor FRLS Armoured cable, RED in Colour, laid on surface with GI saddle-spacers fixed at every 0.3 meters Complete with and including GI Junction Box, lugs, cable compression glands, cable tags and Ferruling, etc complete all as specified.

Supply and fixing of rigid non-metallic PVC conduit of 25 mm dia exclusive of boxes (junction/ terminal) but inclusive of all tees, bends, elbows, reducers, bell mouth tube ends and fixing accessories such as couplers, lock nuts, saddles, pipe hooks, etc complete all as specified.

Supply and fix MS flanged pipe 25 mm dia NB heavy duty for multi storied building duly painted with and including 2 coats of synthetic enamel paint over a coat of zinc chromate primer complete all as specified.

M&L for Galvanised Iron tube 100 mm dia light grade, fixed to walls and ceilings or laid in floors, etc. with and including all fittings complete all as specified.

M & L for earthing complete with GI earth plate electrode of 60 cm x 60 cm x 6 mm size, buried directly in ground (earth pit not less than 2.25m deep below ground level) with top edge of earth plate not less than 1.5 m below normal ground level, connected to GI strip of size 32x6mm as earth lead, by means of bolts, nuts, check nuts and washers of galvanised iron or steel, galvanized iron pipe of 40 mm dia, connected to earthing test point, all as shown in electrical plate No. 5 connected to earthing test point all as specified or indicated including testing on completion and including excavation, earthwork, PCC earth pit of dimensions 550mm X 550mm (outer) and 300mm X 300 mm (inner) and 250mm deep, with a 10mm thick CI cover, hinged to CI frame on ground level, GI watering pipe, funnel, etc. as all specified and as directed.

M & L for 32mm x 6mm size GI Strip as earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing, etc. as required complete all as specified and as directed.

Supply and fix 63 mm dia, 15 mtr long rubberised fabric reinforced rubber lined hose pipe including gun metal male & female instantaneous coupling, hose conforming to IS 636 type II and coupling conforming to IS 903-1975 all as specified.

Supply and fix 63mm dia standard short size gun metal branch pipe with gunmetal nozzle 15 mm nominal bore, outlet and standard instantaneous coupling complete all as specified.

S & F fire hose reel drum, wall mounted swivel type fitted with Thermoplastic hose pipe 30 mtr long, 19 mm -20 mm dia, high pressure dunlop hose conforming to IS : 5132 with 15 mm dia outlet, gun metal nozzle with shut off valve as per IS 884-1969 complete all as specified.

Supply and fix Detectors Complying with and type certified to EN - 45 Addressable type multisensor detector with heat and smoke combination with self-built intelligence as per IS: 11360 complete all as specified. Make : Agni Devices/ Cease Fire/ Newage

S&F Fire Extinguisher, Dry Chemical Powder (ABC) Type, 6 Kg capacity, as per IS:15683 with squeeze grip release valve, discharge pipe, locking arrangement, pressure gauge, operation manual and bracket operating temperature -30°C to + 60°C complete all as specified. Make: Lifeguard/ LG Code - LG-126 or techno-commercial equivalent brand approved by GE.

S&F Fire Extinguisher, CO2 Type, 4.5 Kg Capacity, ISI marked, conforming to IS:15683 complete with delivery hose horn, wheel type release valve, locking arrangement, pressure gauge, operation manual and bracket operating temperature -30°C to + 60°C complete all as specified. Make: Lifeguard/ LG Code - LG-134 or techno-commercial equivalent brand approved by GE.

EXTERNAL WATER SUPPLY

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Supply and lay 80 mm dia GI tubings medium grade fixed/ ceiling or laid in floor with and including all fittings complete all as specified.

Supply and fix CI sluice valve 80 mm dia, PN 1.6 of ISI marked both ends flanged and drilled, bonnet wedge stuffing box, Gland trust plate, hand wheel made out of grey CI, complete conforming to IS 14846/2000 with and it including fittings suitable for hydraulic test pressure of 15 Kg/sqcm complete all as specified and as directed.

M&L for cutting the existing DI/CI pipe of 100/150 mm dia and reducing to required length in position for inserting new tees, branches, etc with and including fittings necessary excavation, refilling, ramming complete all as specified and as directed.

M&L for construction of valve chamber of size 900 x 900 x 900 mm depth with PCC foundation in the ratio 1:4:8, brick work cement mortar in the ratio 1:4 using old size of class B brick, PCC coping at the Top in the Ratio 1:2:4 type B1, Plastering 15 mm thick in the ration 1:4 including MS sheet cover 3 mm thick with angle iron frame 25 x 25 x 4 mm, locking arrangement complete with painting on steel surfaces with two coats of synthetic enamelled paint over one coat of red oxide paint including earthwork complete all as specified and as directed.

COMPREHENSIVE MAINTENANCE OF AC PLANT

Comprehensive maintenance comprising of routine, preventive & breakdown maintenance of chilled water type central air conditioning plant of capacity 2 x 60 TR installed, comprising of all devices and accessories through out 12 months on all days including Sundays & holidays for a period of 03 years after expiry of Defects Liability Period (i.e. 24 months after completion of all Phase II tests) all as specified and directed and as shown below: -

1 year after expiry of Defects Liability Period.

1 year after completion of BOQ item No 9.02 here-in-before.

1 year after completion of BOQ item No 9.03 here-in-before.

Notes: 1. The contractor shall be responsible for periodical maintenance, as per maintenance schedule attached and specified including renewal / replacement of parts, fittings / fixtures filling of refrigerant gas etc required for smooth functioning of the plant as per manufacturer's instructions. The inspection and servicing of chillers & AHUs shall be carried out by OEM only, and reported monthly. Non-submission of inspection report would invite panel charges @ ₹25,000/- as may be deducted by GE.

2. All spares of minor/major nature required to keep the plant in healthy functional state are considered to be included in the above-mentioned annual maintenance. All defects shall be repaired promptly. Non-operation of plant due to any defect or inability to maintain the desired temperature and humidity inside the premises shall invite penal charges. The penalty applied will be @ ₹1000 per hour in case of repairs/rectification to achieve the requisite conditions are not completed within 6 hours of reporting by department. Not attending breakdowns which necessitates components/parts replacement shall be penalized as under :- (a) Attending breakdown within 48 hours - ₹ Nil (b) Attending breakdown within 3 to 7 days - ₹ 5000/- per breakdown per day (c) Attending breakdown after7 days - ₹ 10,000/- per breakdown per day Data loggers place at the premises will be referred in support of the functioning or non-functioning of the plant.

3. The contractor is required to enter into a MOU with the OEM of chiller plant as well as AHU for providing comprehensive AMC inclusive complete coverage of the maintenance liability of the chiller units. The MOU shall be finalized before completion of the project and it shall cover the complete period of five years (2 years DLP and 3 years as per above schedule)

4. The department reserves the right to keep an amount of amount equivalent to total 16% of the chiller cost (@ 4% per annum AMC) as warranty money in case contractor fails to enter into MOU with the Chiller's OEM. The department will be at liberty to enter into this kind of MOU directly with the OEM of chillers and the liability so arising shall be adjusted against above mentioned reserve amount/payments due to contractor.

MANNING & OPERATION OF AC PLANT

Outsourcing of services for round the clock in 3 shifts including Sundays and holidays and operation of Central type air conditioning plant of capacity 2 x 60 TR (Two plants each to be run at a time and one will be kept as stand by) including all connected electrical items such as main switch, starter, change over switch, MCCB, voltmeter, ammeter, panel board, etc, cooling tower, condenser or water pump, valve system, controlling system, condenser, refrigerant line, adjusting valve, refrigerant valve, bypass valve, daily checking, leakage, checking noise, controlling temp. of plant, cleaning of plant and its surrounding area, etc. by one Ref Mech (Skilled) per shift for 03 shifts in a day all as per manufacturer's instructions and as specified and directed by Engr-in-charge for the following duration periods: -

11 months after completion of work

11 months after completion of BOQ item No. 10.02 here-in-before

11 months after completion of BOQ item No. 10.03 here-in-before

11 months after completion of BOQ item No. 10.04 here-in-before

11 months after completion of BOQ item No. 10.05 here-in-before

05 months after completion of BOQ item No. 10.06 here-in-before

NOTE: (a) Complete hourly log sheets and data records shall be maintained by the operating staff. The log sheets shall show a minimum of hourly details of which Compressor/CHW pump/CDW Pump/Cooling tower is in operation, current drawn by various machines, voltage levels, condition in AHU room and in the air conditioned premises, state of DG set running/testing/oil position etc. The log sheets shall also show and record any defect in any plant/sub plant clearly in the remarks column. Log sheets of previous 30 days shall be always maintained at plant room. (b) The Contractor shall Employ Refrigeration mechanic having minimum ITI qualification from Govt Recognised institute with adequate knowledge & minimum 2 years experience in maint/operation of AC plants. The operator must competent to carry out the minor maint all as directed. (TOTAL number of operators required per day are 03 nos.) (c) Contractor shall pay the wages to the employees through e-payment i.e Aadhaar linked bank accounts (credit to their bank account). Engineer-in-charge shall ensure that e-payment made to employees and their wages shall not be less than minimum wages fixed by state Govt or Central Govt whichever is more. Monthly e-banking statement shall be furnished by the contractor to the Engr-in-charge and the same shall be kept in record duly verified.

(d) It is the responsibility of contractor to deposit the employees provident fund (EPF) to the concerned authority as per the prevailing scales as laid down by Ministry of labour for all operator/helper (as applicable) and necessary proof to this regard shall be submitted to the Engineer-in-charge for verification & record. The quoted rates shall be deemed to be included of above provisions. In case contractor fails to produce the proof of EPF, the same shall be recovered from his dues as per the prevailing scale plus 15 percent by the department. (e) The contractor shall maintain all the registers under various labour law rules, 2017 and shall be produced to the Engineer-in-Charge as well as officers detailed by central labour department.

(f) Each shift duration shall be 8 hours & duty timing will be decided by Engr-in-Charge. (g) The unit rate quoted shall deemed to be included for cost of labour for daily routine maintenance for trouble free functioning of installation. (h) In case of any abnormal noise/ complaint the plant should be put off and same should be brought to the notice of Engr-in-charge. (j) The operator employed by the contractor shall be capable of carrying out minor repair/ maintenance & should have well experience in AC plants as applicable.

(k) The quoted rate is deemed to be inclusive of cotton waste, cleaning material etc & Contractor will ensure general area cleanliness and upkeep of the installation on daily basis. (l) The quoted rate is deemed to be inclusive of tools & testing instruments required for operation & maintenance of AC plants. (m) The rate quoted shall deemed to be inclusive of safety gear & required tools for minor maintenance. In case of failure to provide tools kit & safety kit (spanner sets, hand gloves (n) The Contractor shall not employ same tradesman continuously for more than 11 months during the Contract period. (o) The contractor shall provide 02 uniforms to each operator and design of uniform shall be got approved. In case of failure, a penalty of ₹ 2000/- per uniform will be levied and recovered from their dues. (p) In case of failure due to absence of operative staff, the contractor shall be liable to pay compensation at twice the cost of a day’s Manning & Operation derived from pro rate of Sch ‘A’ quoted rates.

(q) The Contractor shall maintain proper records of all kinds of daily, weekly, monthly, quarterly, half yearly and yearly or whatsoever maintenance is carried out during contract period in a binded book / register and shall obtain the signature of Engineer-in-Charge every fortnightly. (r) The contractor shall provide board at proper location near each installations duly writing the name of operators and Mobile Numbers shift wise. (s) The contractor shall provide safety gears to AC plant operator and cost shall be deemed to be included in quoted rates . (t) In case of absence of operator from place of duty, a penalty @ ₹ 3000/- per shift shall be levied. (u) In case of operator found without proper uniform, a penalty @ ₹ 2000/- per day per operator shall be levied.

Shree Ayyappa Engineering