REPAIR MAINT OF GARBAGE BINS SEPTIC TANKS SOAK WELLS BRICK WORK PLASTERING APPROACH PATH AND OTHER MISC B AND R WORKS AT DOMESTIC AND TECH AREA

Amount

SCHEDULE A BOQ

Demolition of brick work masonry, built in cement mortar including all quoins, pillars etc., complete all as specified and directed. Note: Serviceable bricks shall be stacked properly for reuse.

M&L Brickwork with fly ash’ bricks using modular bricks, straight or curved on plan exc 6m mean radius built in CM 1:4 , complete all as specified and as directed

Description all as per item No 3 here in before but except bricks

M&L PCC (1:2:4) Type B1 (using 20 mm graded stone aggregate ) in coping including necessary form work finished fair and even surface without using extra cement including weathering slightly rounded or chamfered angles and throating complete all as specified and as directed.

Extra over stone walling for hammer dressing to face stone and dressing of face with maximum depressing on face from straight edge held against the dressed surface n exc 20 mm all as specified of random rubble ,uncoursed or brought upto courses complete all as specified and as directed.

M&L Walling of random rubble ,uncoursed ,well bonded ,bedded and solidly hearted built in CM 1:4 complete including demolition of existing damaged walling of random rubble work, built in cement mortar,all as specified and as directed.

M&L Rendering 15 mm thick in two layers on brick or concrete surfaces,first coat 10mm thick in cement mortar 1:6 and 2nd coat 5mm thick in cement mortar 1:4 mixed with water proofing compound as per manufacturer instructions finished even and smooth without using extra cement complete all as specified and directed.Note: WPC will be measured separately as supply only.

Supply only water proofing compound

M&L Demolition of cement concrete (reinforced) of any description and in any position and removal of debris out of MD land complete all as specified and directed.

M&L RCC 1:1½:3 Type A-1 using 20mm graded stone agg. as in roof slab complete all as specified and as directed.

M&L form work to soffits of suspended slabs such as roof slabs, floor slabs, landing and similar work not exceeding 200mm thick (Horizontal or sloping) rough finished surfaces of concrete complete all as specified and directed.

M&L High strength corrosion resistant deformed TMTsteel bar of grade Fe-500, 6 mm dia to 8 mm dia cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with mild steel wire (annealed) not less than 0.9 mm dia., or securing with clips complete all as specified and directed.

M&L loose filling with broken bricks of gauge 40 to 80mm in soakage pits, soakage wells complete all as specified and as directed.

M&L form work to edges of concrete flats, treads, breaks in floors, window cills, concrete railings, openings in concrete walls, floor and roofs horizontal or sloping and similar work exceeding 10cm but not exceeding 20cm wide for rough finished surfaces of concrete complete all as specified and directed.

M&L Precast RCC 1:2:4, Type B–1 using 20mm graded stone aggregate as in landings, cover slabs, chullah hoods, Chajjas, water troughs, mangers, Shelves and similar articles with plain faces including formwork, set in cement mortar 1:4 complete all as specified and as directed.Note: Reinforcement will be measured and paid separately.

M&L High strength corrosion resistant deformed TMTsteel bar of grade Fe-500, 5 mm dia to 10 mm dia cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with mild steel wire (annealed) not less than 0.9 mm dia., or securing with clips in stirrups , spacers and binders etc complete all as specified and directed.

S&F in repairs Framed work as in doors or gates of angle or other section with gusset plates, rails, braces, etc complete, drilled for fixing of steel sheeting or other covering. Doors, etc. to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails and guides) and hanging also fastening and fixing complete all as specified and as directed.

S&F Welded steel wire fabric cut to length,bent to shape required and tying with and including annealed mild steel wire not less than 0.9mm dia or fixing with galvanised steel staples supplied and fixed complete to wood or steel members not excceding 4Kg/Sqm including taking down existing one complete all as specified and directed.

S&F in repairs Aluminium powder coated of three track sliding window outer frame top & sides (section no-20831) of size 92.0x31.75x1.5mm weighing 1.06 Kg/m, frame bottom (Section No 20832) of size 92.0x31.75x1.5mm weighing 1.248Kg/m and two glazed shutter to plain vertical (Section No 21093) of size 39x18x1.5mm weighing 0.634 Kg/m, shutter interlock vertical frame (section 21094) of size 39x18x1.55 weighing 0.734 Kg/m, shutter bottom horizontal frame (Section No 20551) size 40x20x1.5mm weighing 0.484 Kg/m, with powder coating of min thickness 50 micron , sliding type with out sash bars including 4mm thickness colour glass with rubber packing, snap beading screws one mosquito proof shutter using stainless steel wire mesh. etc complete all as specified and as directed.

Supply and Fixing in repairs framed work such as grills , grating ,etc with ends of bars shouldered and or revated for forged in to spike, framed guard bars barred iron doors ,ladders,balusters,walk ways railing framed work for water tanks similar work confirming to Fe -290 Gde E-165 complete all as specified and as directed.

Dismantling wrought iron or mild steel work of any description not other wise provided for complete all as specified and as directed.

Excavating in post holes (or similar holes) each n exc 0.5 cum, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm in any type of soil complete all as specified and as directed.

M&L PCC in foundation filling and mass concrete type D-2, 1:4:8, using 40mm graded aggregate complete all as specified and directed.

M&L Cement concrete type C-1, 1:3:6 (using 20mm graded crushed stone aggregate) as in foundation of fencing post, filling and mass concrete complete all as specified and directed.

S&F Pre painted Coloured Galvalume roofing system sheet 0.50 mm thick having Zinc aluminum alloy coating AZ150 shall be as per IS:277/ASTM 1379 150 gsm/ sqm double ribbed trapezoidal profile steel sheet any colour having tensile strength of 550 Mpa as in Roof covering /cladding to wall fixed with self tapping screws including dismantling of existing one all complete all as directed.

S&F Pre-painted galvalume aluminum zinc coating GI based Plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall, fixed with self tapping screws including dimantling of existing one all as directed.

Note for Pre-painted coloured Galvalume roofing :-

(i) The manufacturer's test certificate and individual test certificate for the chemical and mechanical properties of sheet must be submitted for approval by the concerned authority prior to installation.

(ii) The contractor shall ensured that no leakages take place from the roof. The roofing shall be Coloured Galvalume roofing system (olive green colour or as approved by GE) with feed material manufactured from 0.50 mm Total coated thickness (TCT), minimum 550 MPa yield strength and shall conform to the physical specifications of IS: 2062 of 2011, coated with hot dip metallic Aluminium / Zinc alloy coating AZ150 as 150 gm/sq.mt total on both sides.

(iii) The painting shall be coloured baked enamel polyester with silicon coating of film thickness 25 microns nominal on the exposed face/exterior side and on the reverse side ( interior face) shall be white with 15 microns film thickness, over a coat of 5 micron nominal thickness Primer.

(iv) The contractor shall produce purchase vouchers for each lot for verification of Engineer-in-Charge.

S&F Steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to IS 1161-1979 gradeSt.-240) complete all as specified and as directed.

S&F Plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, with riveted , bolted or welded attachment.(Fe 410 -W (Gde- E-250) quality -A complete all as specified and as directed.

S&F MS flat iron wind ties for roof including securing bolts including all necessary drilling, bolting or riveting, etc. , and similar work conforming to Fe-290 Gde E-165 all as specified and as directed.

S&F Mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other to be fitted with washers and one hexagonal or square nuts, n exc 5cm long diameter of neck 5 to 10mm including taking down existing one complete all as specified and directed.

M&L Preparation of new steel surface of any description over 10cm width or girth and applying two coats of synthetic enamel paint over one coat of red oxide primer complete all as specified and as directed.

M&L Preparation of new or previously untreated steel surfaces under 10 cm girth and applying two coats of synthetic enamel paint over a coat of of red oxide primer complete all as specified and as directed.

M&L Preparation of old painted surfaces of steel and applying one coat of synthetic enamel paint using mechanical means over 10 cm width or girth, not other wise described complete all as specified and as directed.

Note for item No 37 to 39 :- (a) All synthetic enamel paint, shall be of 1st quality manufactured by the standard firms of make as specified.

(b) The contractor shall inform the GE, within three weeks of the acceptance of the tender, the brand/names of the manufacturers of paint proposed to be used in the works and submit samples thereof and obtain prior written approval of GE before their use in works.

(c) The contractor shall when so required by the GE, produce certificate from the manufacturer or their representative to establish that the brands of paints purchased by the contractor from them, satisfy the requirements of the relevant Indian Standards. Tint of paint will be approved by the GE.

(d) Paints shall be obtained direct from approved manufacturer or from their authorized agents only of respective brands mentioned below and brought to site in sealed containers. The paint so procured shall be of first quality of any approved make as per list of makes specified. i. Berger Paints (Luxol), ii. Jenson & Nicholson (Brolac), iii. Shalimar Paints(Superlac), iv. Goodlass Nerolac (Nerolac), v. Asian Paints(Apcolite)

(e) Unless otherwise specified the tints of paint shall be as approved by the GE

(f) The contractor shall submit samples of the paints proposed for the work along with results of tests conducted in approved laboratory as directed by the Engineer-in-Charge for approval.

(g) The surface shall be thoroughly cleaned and dusted. All dirt scales oil and grease shall be thoroughly removed before painting is started. The prepared surface shall be inspected and approved by the GE before painting is commenced. The weather shall not be foggy/rainy, dusty or windy. The suitability of the weather will be determined by the Engineer-in-Charge.

(h) No hair marks from the brush or clogging of paint buddles shall be left on the work. Surface shall ordinarily not be painted until it has dried up completely. Trial patches of paint shall be laid at intervals to check if drying is satisfactory.

M&L Cleaning of existing cover drain of any depth any width by using jet water pressure mechanical pump,suction pump and removing mud/silt, vegetation growth, plants/small tress etc to a distance 50m , including repairing cracks in cement mortar (1:3) where noticed in surfcace of drain all as directed and specified.

Note for item No 48 :- (a) The unit rate deemed to be considered for First Aid and necessary safety arrangements equipment’s to be provided by the contractor for workman.

(b) The unit rate is deemed to be included for removing of accumulated earth of any width and depth upto 15 cm cleaning/cutting the grass with hand operated petrol/kerosene driven grass cutting machine and removing the grass waste around 1m from both side of the drain to outside MD land Note: Periodicity of cutting of grass shall be before commencement of work and after completion of repairs.

(c) The work to be executed in highly restricted area.

(d) The contractor shall adhere to time frame as per the user’s requirement and as per demand. The demand and the location of work will be intimated either by the rep of user/ MES rep well in advance. In case of failure to attend the demand in time penalty will be levied for each day @ Rs 500/ for non-completing the requirement till completion of work. The nature of the work related to Airfield maintenance, hence the delay is not acceptable.

M&L Plain cement concrete (1:3:6) type C1 (20 mm graded stone aggregate), 75mm thick, as in plinth courses/path, top surface of concrete finished even and smooth with out using extra cement, including expansion joint 10mm thick filled with mastic filling comprising of 01 part of heated blown beitumen and 3 parts of sand including demolition existing cement concrete including disposal of demolition material upto MD land complete all as specified and directed by Engineer- In - charge

M&L False ceiling using GI snap grid size 60x60cm with main runner 38x24, cross tee 29x24mm & wall angle 24x24mm, grid suspended with 4mm dia GI Wire fixed with steel dash fasteners carrying max load upto 8.1 Kg/Sqcm with 4mm thick designer ceiling board (Lake & Hill) all as per Make :- Everest regular T-2430 or equivalent of (Make-Ramco/Charminar/Armstrong) including dismantling of existing one completed all as specified and as directed.

Dismantling and re-fixing barbed wire of any description straining and fixing to any type of standrard rails including securing or tying at crossing with and provision of galvanised mild steel wire ,stapple or steel pins complete all as specified and as directed.

Renewing cement concrete tiles in patches, area n exc 5 sq.m. Including removing and cleaning old tiles, preparing beds and laying or setting, jointing and pointing new or old tiles complete all as directed. Note : The rate included for cutting out broken tiles, removing and cleaning loose tiles, preparing bed removing rubbish, roming and replaing old with new tiles to match, complete with all cuttings etc, that may be required. New tiles required is deemed to be included all as directed. The unit rate is also including necessary bedding in cement mortor.

M&L Vitrified Ceramic tiles 10 mm thick, light shade (square/ rectangular) polished, area of each tiles not exceeding 0.36 sqm, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match, laid over and including screed bed or bedding layer,15 mm thick in Cement Mortar 1:6 including taking down existing tile and removing serviceable tiles to store and rubbish off the premises complete all as specified and as directed.

M&L Vitrified Ceramic tiles 10 mm thick, light shade (square/ rectangular) polished, area of each tiles not exceeding 0.36 sqm, in vertical surface dado etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match, laid over and including screed bed or bedding layer ,10 mm thick in Cement Mortar 1:3 including taking down existing tile and removing serviceable tiles to store and rubbish off the premises complete all as specified and as directed.

Note for item No 57 & 58 : (a) Vitrified tiles are classified under group B1a of the international Standard for ceramic tiles ISO: 13006. Tiles shall be hard, dense, impervious and frost resistant. Water absorption of tiles shall be less than 0.5% and flexural strength (Modulus of Rupture) shall be more than 35 N/Sqmm. (b) The manufacturer's test certificate and individual test certificate for tiles must be submitted for approval by the concerned authority prior to installation.

M&L Stone Boulder pitching, hand packed tightly and grouted in CM 1:6 including demolition of existing stone work and removing from site to out side MD land complete all as specified and as directed.

Taking down cement plaster on brick or stone walls, or concrete or ceilings etc., including raking out joints, hacking for key, scrubbing down with water, etc., including removal of rubbish off the premises, removal and depositing serviceable materials where directed and leaving the work clear of any plastering and material and labour for Rendering 15 mm thick in two layers on brick or stone or concrete surfaces,first coat 10mm thick in cement mortar 1:4 and 2nd coat 5mm thick in cement mortar 1:4 finished even and smooth without using extra cement complete all as specified and directed.

M&L Applying two coats of cement based paint on newly plastered surfaces of walls including preparation of new surfaces complete all as specified and as directed

M&L Repair to leakage of galvalume sheet roof (area n exc upto 1.5 Sqm) by applying sealing compound around self tapping screws/ holes all as directed including adjusting roof sheets etc.complete all as specified and as directed.

S&F in repairs Aluminium Composite panel cladding for wall clading and Mild steel column post casing, Wall cladding with 4mm thick aluminium composite panel (colour as approved by GE) fixed with aluminium frame using extruded aluminium section of size 50mm x 25mm x 2mm thick fixed with cleats,fasteners etc , gap will be sealed with silicon sealant appropriate grade complete all as specified and as directed

Note for item No 64 :- a) Providing and fixing Aluminium Composite panel cladding including framing as per the elevation, section and the plan fabricated out of heavy duty Aluminium extruded profiles conforming to alloy 643900 WP with chemical composition and mechanical properties as per IS-733 and as per specifications.

b) The contractor must design the cladding as per the prevalent site conditions and building elevations profiles. No extra claims shall be entertained at any stage for aluminium profile/ wall thickness and size dimensions. The Contractor must quote rates accordingly.

c) The anchoring / bracing of the wall cladding to the RCC beams/ columns shall be done with non-corrosive galvanized brackets of approved design, (Galvanizing to be done conforming to IS 4759-1996 up to 610 gms. Per Sq. M. (80- 90 micron thickness).

d) The framework shall be aligned for the entire height of each Mullion and of the entire width of each Transform by laser beam equipment to ensure 100 percent „X‟ axis and „Y‟ axis alignment.

e) The system should also provide for pressure equalization. The details for pressure equalization to be submitted by the contractor and got approved by the Engineer-in-Charge.

f) EPDM Gaskets of suitable profiles (to accommodate shall be provided including the labour element for fixing in appropriate locations is to be included in the rate).

g) The Periphery of the framework shall be sealed both from inside and outside with silicon weather sealant to make the cladding watertight.

h) Cost of Aluminium composite panel consisting of a core of polyethylene sandwiched between two aluminium skins of 0.5mm thickness with a mild edge. 4 mm total thickness with surface finish of PVDF coating as approved by the Engineer-in-Charge, as shown in the elevation, plan and cross section drawings along with labour element for cutting stacking, carrying to heights and fixing to appropriate locations is included in the rates.

j) All the vertical and horizontal section grooves are to be sealed non staining silicon sealant of make as specified in the list of approved make to make the entire system synchronies with the basic structural glazing/curtain wall structure and also make the system air tight and watertight. The fixing details should be got approved by the Engineer- in-charge. The peel off foil should be removed at the time of handing over as may be required by the Engineer-in-charge.

k) ACP shall be as approved with high fiber filled sandwiched panel 4mm install on Aluminium framing and Galvanised brackets. Aluminium cladding panel to be PVDF fluorocarbon coated factory applied colours. Reverse side to be in mill finish. All the joints shall be sealed with silicon sealant of approved make. The colour of sealant to be decided by Engineer-in-Charge.

l) A sample of panels and installation methods to be submitted to the Engineer in-Charge for approval.

M&L Hardcore of gauge not exceeding 63 mm of broken stones or boulders, deposited, spread and levelled in layers not exceeding 15 cm thick, watered and rammed to a true surface complete all as specified and directed.

M&L Machine pressed precast concrete interlocking paver block with grey cement and pigment any shape and size, polished confirming to IS-15658 of 80mm thickness M-40 grade, laid over and including M sand cushion of 50mm thick and packing the sides with PCC 1:3:6 complete all as specified and directed. Note : The Unit rate quoted is included for Demolition of Stone Slabs and tiles of any description or thickness in floors,aprons etc laid bedded and pointed in any mortar and removing of debris outside of MD land Note : The manufacturer's test certificate and individual test certificate for tiles must be submitted for approval by the concerned authority prior to installation/fixing.

Removing plant/Uprooting of vegetation growth including roots on wall/roof/parapet near pipes etc and applying acid treatment after removing roots for preventing regrowth and making good disturbed surfaces/area in superficial area exc 150sq.cm but n.exc 400 sq.cm and averaging depth not exceeding 10 cm by using PCC 1:2:4 type B-0 (using 12.5 mm graded stone aggregate) or 10mm thick plastering in cement mortar 1:3 as required and finishing the surfaces to match with the existing surface complete all as specified and directed. Note: (a) Rate quoted by the tenderer shall be deemed to inclusive of double steel scaffolding. (b) Contractor shall provided safety gears to his workers at his own cost and safety pre caution to avoid accidents.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth for foundation, cesspits, manholes, pier holes, etc. and getting out in hard/dense soil complete all as specified and directed.

Returning, filling in, of excavated soil ,including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick complete all as specified. Note : (a) A deduction of 10% shall be made from total computed volume of filling to cater in bulk irrespective of machinery used for ramming. (b) Earth required for purpose of filling shall be arranged by the Contractor from outside MD land at no extra cost to the Department.

Removal of excavated material [Soil] to a distance exceeding 1.50 Km and not exceeding 5.00 Km and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and as directed.

S&F in repairs Mild steel black sheet 0.80mm thick in wall cladding, steel gates and similar works, cut to size, holes punched including round headed screws, clout nails for rebates and fixed to steel framing with plain 40mm lap joints with rebated or weilded seams including bending or turning up mitred angles etc as required.

NAVEEN ENTERPRISES

SARASWATHI CONSTRUCTION

T C KARUNANITHI

pk janardhanan

kaarthic builders

Neptune Engineers and Builders

M/s Shana Constructions