REPLACEMENT OF BER PACKAGE TYPE ACS FOR STE BUILDING IN TECH AREA AT CVRDE AVADI CHENNAI

Amount

Dismantling aluminium / Gypsum partitions, doors, windows, fixed glazing and false ceiling including disposal of unserviceable material and stacking of serviceable material with in 50 meters lead complete all as specified and directed.

Providing and fixing false ceiling at all heights with integral densified calcium silicate reinforced with fibre and natural filler false ceiling tiles of size 595 x 595mm of approved texture, design and patterns as per CPWD Specification 2019, to be laid in true horizontal level suspended on interlocking metal T-Grid of hot dipped galvanised iron section of 0.33mm thick (galvanized @ 120 grams per sqm including both sides) comprising of main-T runners of size 24 x 38mm of length 3000 mm, cross - T of size 24 x 32 mm of length1200 mm and secondary intermediate cross-T of size 24 x 32 mm of length 600mm to formgrid module of size 600 x 600 mm, suspended from ceiling using galvanised mild steel items (galvanizing @ 80 grams per sqm) i.e. 12 x 50 mm long dash fasteners, 6 mm dia fully threaded hanger rod upto 1000 mm length and L-shape level adjuster of size 76 x 25 x 25 x 1.6 mm fixed with grid and Z cleat of size 25 x 37 x 25 x 1.6mm thick with precut hole on both 25mm flange to pierce into 12 x 50mm or even bigger size dash fastener if

require, fixed with Glavanised iron perimeter wall angle or size 24 x 24 x 0.40 mm of length 3000 mm to be fixed on periphey wall / partition with the help of plastic rawl plugs at 450mm center to center and 40 mm long dry wall S.S screws with 15 mm thick regular / butt edged without perforation plain / designer light weight calcium silicate Anti-Microbial Bio-Safe coated false ceiling tiles Confirming to JIS-Z2801 and ASTM G-21. The work shall be carried out as per specifications, drawing and as per directions of the Engineer-in Charge.

Dismantling old plaster, skirting raking and dado of wall tiles out joints and cleaning the surface for plaster from brick walls or concrete surfaces including disposal of rubbish to the dumping ground within 50 metres lead complete all as specified and directed.

M&L for rendering 6 mm thick cement plaster on ceiling surfaces in cement mortar 1:3 finished fair and even with a floating coat of neat cement of mix complete all as specified and directed.

Preparation of new plastered ceiling surfaces and apply three coats of white wash etc complete all as specified and directed.

Taking down copper / aluminium point wiring (light, fan, socket or power) complete including fixture and fittings such as switches, ceiling roses, pendants, regulators, sockets, light fitting etc, removing materials to store for keeping in safe custody or for taking credit (credit for above items should be made as per conditions separately) and making good disturbed surfaces of walls, floors, etc., complete all as specified and directed.

Taking down old sub main wiring including copper / aluminium / GI earth continuity conductor and making good disturbed surfaces of any size complete all as specified and directed.

Taking down old unserviceable MCB DBs including all MCB's / MCCB's of any sizes and capacities along with teak wood boards including all fittings / fixtures and making good disturbed surfaces complete all as specified and directed.

Wiring for light point / ceiling fan point / exhaust fan point / call bell point with 1.5 Sqmm FRLS PVC insulated copper conductor single core cable in surface / recessed medium class PVC conduit with modular switch, modular plate suitable GI box and earthing the point with 1.5 Sqmm FRLS PVC insulated copper conductor single core cable etc as required complete all as specified and directed. (a) Group A

Wiring for switch socket combination 15A / power plug with 2 x 4 Sqmm FRLS PVC insulated copper conductor single core cable in surface / recessed drawn through and including medium grade PVC conduit of size 20mm dia including conduit accessories etc along with 1 x 4 Sqmm FRLS PVC insulated copper conductor single core cable for loop earthing as required complete all as specified and directed.

Wiring for switch socket combination 5A with 2 x 1.5 Sqmm FRLS PVC insulated copper conductor single core cable in surface / recessed drawn through and including medium grade PVC conduit of size 20mm dia including conduit accessories etc along with 1 x 1.5 Sqmm FRLS PVC insulated copper conductor single core cable for loop earthing as required complete all as specified and directed.

S&F, 5/6 A switch modular switch / socket on the existing modular plate & switch box including connections but excluding modular plate etc as required complete all as specified and directed.

S&F, 15/16 A switch modular switch / socket on the existing modular plate & switch box including connections but excluding modular plate etc as required complete all as specified and directed.

S&F, 3 pin 5/6 A socket outlet switch modular switch / socket on the existing modular plate & switch box including connections but excluding modular plate etc as required complete all as specified and directed.

S&F, 6 pin 15/16 A socket outlet switch modular switch / socket on the existing modular plate & switch box including connections but excluding modular plate etc as required complete all as specified and directed.

S&F, 3 Module (100 mm x 75 mm) GI box along with modular base & cover plate for modular switches in recess etc as required complete all as specified and directed.

S&F, 8 way double door, single pole and neutral, sheet steel, MCB distribution board, 240 V on surface / recess complete with tinned copper busbar, neutral busbar, earth bar, din bar, interconnections, powder painted including earthing etc as required (but without MCB / RCCB / Isolator) complete all as specified and directed.

S&F, 12 way double door, single pole and neutral, sheet steel, MCB distribution board, 240 V on surface / recess complete with tinned copper busbar, neutral busbar, earth bar, din bar, interconnections, powder painted including earthing etc as required (but without MCB / RCCB / Isolator) complete all as specified and directed.

S&F, 5 A to 32 A single pole rating 240V, 10 KA, 'C' curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc as required complete all as specified and directed.

S&F, 5 A to 32 A single pole and neutral rating 240V, 10 KA, 'C' curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc as required complete all as specified and directed.

Wiring for circuit / submain wiring along with earth wire with 2 x 4.0 Sqmm + 1 x 4.0 Sqmm earth wire of FRLS PVC insulated copper conductor, single core cable in surface / recessed drawn through and including medium grade PVC conduit of size 20mm dia including conduit accessories etc as required complete all as specified and directed.

Wiring for circuit / submain wiring along with earth wire with 2 x 6.0 Sqmm + 1 x 6.0 Sqmm earth wire of FRLS PVC insulated copper conductor, single core cable in surface / recessed drawn through and including medium grade PVC conduit of size 20mm dia including conduit accessories etc as required complete all as specified and directed.

S&F, LED lights fitting 1 x 22 W, 220V, AC decorative box type with driver, holder including LED tube light connecting up with three core flexible copper conductor cable of suitable size from ceiling rose complete all as specified and directed.

S&F, LED luminaire 600 mm x 600 mm, 35/36 watt, 220 V AC recessed type with high efficiency PMMA diffuser soft glare free light complete with driver, holders & LED lamp suitable for roof ceiling including connecting up with driver three core flexible copper conductor cases of suitable size complete all as specified and directed.

S&F, 3 pin 5 A ceiling rose on the existing junction box / wooden block including connections etc as required complete all as specified and directed.

S&F, two module stepped type electronic fan regulator on the existing modular plate switch box including connections but excluding modular plate etc as required complete all as specified and directed.

Supply, installation, testing & commissioning 42 HP outdoor unit with cooling of Variable Refrigerant Flow (VRF) system with multi indoor unit with outdoor units including individual controller for cooling type operation. Outdoor units equipped with highly efficient twin rotary compressors with inverter type compressor, special acryl precoated heat exchanger, low noise condenser fan, auto check function for connection error, having interconnected control wiring between indoor unit, outdoor unit & control panel and refrigerant piping housed in compact housing duly powder coated complete as required for trouble free operation, refrigerant should be R-410a complete all as specified and directed.

Supply, installation, testing & commissioning 28 HP outdoor unit with cooling of Variable Refrigerant Flow (VRF) system with multi indoor unit with outdoor units including individual controller for cooling type operation. Outdoor units equipped with highly efficient twin rotary compressors with inverter type compressor, special acryl precoated heat exchanger, low noise condenser fan, auto check function for connection error, having interconnected control wiring between indoor unit, outdoor unit & control panel and refrigerant piping housed in compact housing duly powder coated complete as required for trouble free operation, refrigerant should be R-410a complete all as specified and directed.

Note for Sl item Nos. 27 & 28: (i) Highly efficient Inverter Compressors: The unique design of the inverter compressor ensures that the refrigerant is directly injected in to the compressor chamber. The suction gas enters directly into the scroll, there is no super heat gain due to compressor motor assembly, this results in efficiency enhancement by upto 3%.

(ii) VRF units are fitted with 100% inverter compressors. The unique logic of the system is that it optimally loads compressors in such a way that maximum efficiencies are achieved under any load condition. (iii) High COP and IPLV (Integrated Part Load Value). (iv) 100% capacity at 43 degree centigrade. (v) Non-stop operation even at 56 degree centigrade. (vi) Wide Operating Range: The system can operate from 10 degree centigrade to 56 degree centigrade in the cooling mode. (vii) Superior Accumulator Design: The VRF system is designed with the largest twin Accumulator in its class. This new design allows the system to perform seamlessly in low-load condition even below 30% without tripping.

(viii) Weather Proof Outdoor Unit Design: Outdoor unit is specifically designed to handle extreme climatic conditions, corrosion and polluted atmosphere. * Powder coated GI sheet metal cabinets. * All hardware of anti-rust quality. * Conformal coating on PCBs to protect from dust and humidity. * Hydrophilic blue fin for better corrosion resistance. * Weather-proof enclosures for critical components. * Emergency Backup Operation, the compressor backup in outdoor units that have two compressors, the VRF system can function or maintenance down time of one compressor.

* Demand Control Mode or Economy Mode the capacity of the ODUs of the VRF can be set at 25%, 50% & 75% depending on the need. (ix) The system designed to operate across a wide voltage range from 320 volts to 460 volts resulting in high uptime even in erratic power conditions.

Supply, installation, testing & commissioning indoor cassette unit of 2.5 TR, 4 way equipped with pre-filter, fan section with low noise fan, multispeed motor, coil section with DX coil, outdoor cabinet, drain pan and drain pump, cordless remote, cabling, vibration isolation, earthing, necessary supports etc as per specifications complete all as specified and directed.

Supply, installation, testing & commissioning indoor cassette unit of 3.00 TR, 4 way equipped with pre-filter, fan section with low noise fan, multispeed motor, coil section with DX coil, outdoor cabinet, drain pan and drain pump, cordless remote, cabling, vibration isolation, earthing, necessary supports etc as per specifications complete all as specified and directed.

Supply, installation, testing & commissioning indoor cassette unit of 4.00 TR, 4 way equipped with pre-filter, fan section with low noise fan, multispeed motor, coil section with DX coil, outdoor cabinet, drain pan and drain pump, cordless remote, cabling, vibration isolation, earthing, necessary supports etc as per specifications complete all as specified and directed. Note for Sl item Nos. 29 to 31: (a) Multi Level Filtration: Aesthetically superior with stylish design, very low noise, quiet operation, wide angle air flow to ensure even air distribution throughout the condition space.

(e) Flexible air flow patterns: Advanced louvers where swing can be adjusted to meet the needs air flow ventilation and direction required. (f) Cordless Remote Controller: Cordless remote controller having large LCD screen for better clarity, real time clock display, room temperature indication, displays of various mode-cool, fan, dry. Fan speed adjustable, inside room temperature adjustable from 16 degree to 30 degree centigrade.

Refrigerant copper piping with 19 mm dia (hard pipe) & 13 mm dia (soft pipe) thick closed cell rubber nitrile, Class 'O' - arm flex insulation of Inclusive of necessary supports as per standard practices. Outdoor exposed piping will be covered with glass tape and coated with UV painting complete all as specified and directed. Note: One run of hard pipe 19mm dia and soft pipe 13mm dia alongwith connected accessories will be measured as one run for payment purpose.

S&F, PVC drain pipe of size 32mm dia including necessary fittings / fixtures as required at site laid on floor, fixed to wall by saddles / clamps etc (from indoor unit to nearest drain) including foam insulation not less than 6mm thickness and testing complete all as specified and directed.

Supply & charging Refrigerant R-410a including necessary testing and commissioning complete all as specified and directed.

Supply & drawing 3 x 2.5 sqmm FRLS PVC insulated copper conductor, single core cable in the existing surface / recessed drawn through and including PVC conduit medium grade of size 20mm dia including conduit accessories etc as required (between indoor to DB power point) complete all as specified and directed.

Supply & drawing 3 x 1.5 sqmm FRLS PVC insulated copper conductor, single core cable in the existing surface / recessed drawn through and including PVC conduit medium grade of size 20mm dia including conduit accessories etc as required (between indoor to DB power point) complete all as specified and directed.

Supplying & installing perforated Hot dipped galvanized iron cable tray of size 150 mm x 50 mm x 1.6 mm thick with perforation not more than 17.5% in convenient sections joined with connectors suspended from the ceiling with GI suspenders including GI bolts & nuts etc as required complete all as specified and directed.

Supplying & installing perforated Hot dipped galvanized iron cable tray bends of size 150 mm x 50 mm x 1.6 mm thick with perforation not more than 17.5% in convenient sections joined with connectors suspended from the ceiling with GI suspenders including GI bolts & nuts etc as required complete all as specified and directed.

Supplying & installing perforated Hot dipped galvanized iron cable tray tees of size 150 mm x 50 mm x 1.6 mm thick with perforation not more than 17.5 % in convenient sections joined with connectors suspended from the ceiling with GI suspenders including GI bolts & nuts etc as required complete all as specified and directed.

S&F, 20 A, 240 V, SPN industrial type socket outlet with 2 pole and earth, metal enclosed plug top along with 20 A 'C' curve SP, MCB in sheet steel enclosure, on surface or in recess with chained metal cover for the socket outlet and complete with connections, testing and commissioning etc as required complete all as specified and directed.

M&L for earthing complete with galvanised steel plate electrode 600 mm x 600 mm x 6 mm thick buried directly in ground vertically (earth pit to a depth of not less than 2.7m deep below ground level) with the top edge of earth place at a depth of not less than 1.5m below normal ground level connected to galvanised earth strip 25mm x 5mm by means of bolts, nuts, washers of galvanised iron and provision of earth strip, galvanised iron protection pipe 40mm bore, medium grade upto and including test point including necessary earthwork in any type of soil and PCC (1:3:6) type C1 (using 20mm graded stone aggregate) earth chamber, watering pipe 20mm dia galvanised iron light grade with funnel, RCC (1:2:4) type B1 precast cover 40mm thick with 6mm dia mild steel bars complete and connected to earthing test point all as specified, including testing on completion.

Note: (i) Quoted rate deemed to include the cost of excavation and earth work, PCC pit, funnel and cover etc. (ii) Cost of earth lead and protection pipe upto length of 7.5m shall deemed to be included in the rate quoted.

Providing and fixing 25 mm x 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode including connection with G.I. nut, bolt, spring, washer excavation and re-filling etc. as required complete all as specified and directed.

Supply, laying, connecting and testing XLPE insulated PVC bedded galvanized steel strip or wire armoured, electric power cable (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 25 sq mm 4.0 core confirming to IS-7098 (Part-I) laid in cable trenches / duct / wall / surfaces / pipe including compression gland, lugs as required at site complete all as specified and as directed.

Providing and fixing of MCCB 3 Pole, 100 Amps, 50Hz, 415volts with rupturing capacity of 16KA with thermo magnetic release and terminal spreaders in existing cubicle panel board including drilling holes in cubicle panel making connections etc as required complete all as specified and directed.

Supply & installing of perforated Hot dipped galvanised iron cable tray (galvanization thickness not less than 50 microns) with perforation not more than 17.5% in convenient sections with connectors with suspended from the ceiling with GI suspenders including GI bolts and nuts etc as required of size 900 mm x 75 mm x 2.0 mm thickness complete all as specified and directed.

M&L for taking down old unserviceable package type AC plant of 5.5 TR capacity indoor units & connected OD unit in any location at STF building both indoor & outdoor units complete after disconnection of all electrical connections including control MCB's / MCCB's and control cables of any size complete and stacking at site control panel and deposit the same to CVRDE with proper handing taking over notes. Clearing the site including making good the disturbed surfaces and match with the existing surfaces by distempering / painting etc complete all as specified and as directed.

M&L for taking down old unserviceable package type AC plant of 8.0 TR capacity indoor units & connected OD unit in any location at STF building both indoor & outdoor units complete after disconnection of all electrical connections including control MCB's / MCCB's and control cables of any size complete and stacking at site control panel and deposit the same to CVRDE with proper handing taking over notes. Clearing the site including making good the disturbed surfaces and match with the existing surfaces by distempering / painting etc complete all as specified and as directed.

SAMYDOSS CONSTRUCTIONS (BID ID -3178581)