ADDN/ALTN TO ROOF SHEET AT VARIOUS LOCATIONS AND ADDN/ALTN TO FENCING , FOOT PATH ON CERTAIN LOCATIONS AT AF STATION TAMBARAM

Amount

Dismantling posts or struts embedded in concrete (wood, steel or R.C.C.) any section, including taking out barbed wire embedded portion and making good disturbed ground all as specified and directed.

Dismantling fencing wire any type all as specified and directed.

Dismantling wrought iron or mild steel including wire mesh work of any description not otherwise provided for all as specified and directed.

M&L Excavation in trenches, not exc 1.5 m wide and not exc 1.5 m in depth; for foundation, manholes etc and getting out hard/dense soil

M&L Plain cement concrete, 1:4:8, type D2 using 40mm graded stone aggregate as in foundations, filling and mass concrete complete all as specified and as directed

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

M&L Rendering 15mm thick on fair faces of brick work or concrete external surfaces in CM 1:6 complete all as specified and as directed

Preparation of new plaster surfaces and applying two coats of cement based paint over a coat of primer all as specified and as directed.

Excavation in post holes ( or similar hoels ) each not 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 , watering, and removing surplus soil to a distance not exc 50 mtr. all as specified and as directed.

M&L for cement concrete type C-2 ,1:3:6 using 40mm graded stone aggregate as in foundations, filling and mass concrete all as specified and as directed. .

S&F posts and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire, wind ties, etc.; flat iron fillets ( for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc., and similar work conforming to Fe 290 Gde E-165 complete all as specified and directed.

S&F MS steel bars 10 mm dia or over ,cut to length,bent to shape required, including cranking,bending spirally for hopping for collumn,hooking ends and binding with and including 0.90mm dia MS annealed wire all as specified and directed.

Supply only chain link fencing any size or type.

Fixing only chain link fencing including line wire, any mesh size and shape and type of any standard rails, straning bolts etc including provison of binding wire etc all as specified and directed.

S&F mild steel screw bolts (machine made), diameter of shank 11 to 15 mm, 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, length of bolt exc 10 cm and not exc 15 cm long all as specified and directed.

M&L applying two coats of synthetic enamel paint over a coat of red oxide primer including preparation of new steel surfaces exc 10 cm width or girth, complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm in any type of soil complete all as specified or as directed

Removing excavated material of soil exc. 250 m but not exc. 500 m and depositing where directed complete all as specified and as directed

S&F Galvanised, 2 strand, steel barbed wire 2.24mm dia barbed with 2mm dia barbs at 75mm spacings , straining & fixing to any type of standard rails straining bolts, including, securing or tying at crossings with and provision of galvanised mild steel wire, staples or steel pins, etc. as directed (each line wire to be measured)

Surface excavation not exceeding 30 cm deep and averaging 15cm deep and getting out in soft/ loose soil complete all as specified and directed

M&L for Hardcore of gauge not exc. 63 mm, deposited, spread and levelled in layers not exc.15 cm thick,watered and rammed to a true surface all as specified and directed

Material and Labour for 75mm thick plain Cement concrete type B- 2, 1:2:4 using 40mm graded stone aggregate as in subbase all as specified and directed.

Material and Labour for Sand filling under floor , spreading over PCC complete all as specified and directed

Material and Labour for Machine pressed precast concrete interlocking paver block any shape and size confirming to IS 15658-2006 of 60 mm thickness M-35 Grade. complete all as specified and directed.

M&L plain cement concrete type B0, 1:2:4 using 12.5mm graded stone aggregate as in roof kerbs or mud stops, rounded or chamfered on edges cills, steps, plinth courses, copings, kneelers, apex stones, bed plates, kerbs and the like including weathering, slightly rounded or chamfered angles and throating, all as specified and directed.

Dismantling Single layer Mangalore pattern or similar tiles in roofing all as specified and directed.

Dismantlin battens for tiles, shingles etc, of any size including tilting fillets all as specified and directed.

Dismantling timber scantlings 40 sqcm and over in section in unframed work , in any position complete all as specified and directed.

Dismantling timber scantlings 40 sqcm and over in section in framed work , in any position complete all as specified and directed.

Dismantling Plain or corrugated steel sheeting,any gauge, thickness, including Nainital or similar pattern roof coverings all as specified and directed.

Dismantling AC corrugated or semicorrugated sheets in roof covering / wall cladding all as specified and directed.

S&F for Mild steel Rolled sections as in main and cross beams, hip and jack rafters, purlins where connected to common rafters and running rails and guides for sliding doors, fixed with angle cleats or other connecting plates all as specified and directed.

S&F for Mild steel Roof trusses (framed), trussed, purlins, crane gantries, rails and fastenings and heavy bracket framing (Beam, tee, angle, channel or flat sections) including distance pieces, cleats etc of confirming to Fe 410-W(Gde-E- 250) quality-A all as specified and directed.

S&F for MS Wind ties, Hand rails, half round or other steel section or core for wooden hand-rail straight portion,drilled and countersunk for balusters running bars, for doors, balusters, nosing to steps including embeding in concrete and screwing etc. wind ties for roof including securing bolts;and similar work confirming to Fe 290 Grade E-165 all as specified and directed.

S&F for Pre- painted galvatume aluminum zinc coating GI based corrugated steelsheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and as directed

S&F for 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 towall, fixed with self tapping screws as specified as specified complete all as specified and as directed.

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

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

M&L Rendering 10mm thick on fair faces of brick work or concrete internal surfaces finishing even and smooth without using extra cement in CM 1:6 complete all as specified and as directed

Preparation of new surfaces of walls and applying one coat of primer and two coats of OBD complete all as specified and directed

Preparation of new surfaces of external walls and applying one coat of primer and two coats of weather proof exterior emulsion paint (weather coat Apex, 100% exterior grade of Asian pants or its equivalent in other approved makes) complete all as specified and directed

M&L for complete removal of existing treatment of wall, including Washing, rubbing down and stopping of distempered and painted surfaces of pilasters, including cornices and applying two coats of Oil Bound Distemper over a coat of alkali resistance primer and applying wall care putty not less than 1mm thick including preparation of surfaces all as specified and directed.

Material and labour for complete removal of existing treatment of walls/pillars /cornices, including Washing, rubbing down including applying white cement based putty where required for filling to depressions to make the surface even and smooth by using sander machine (with provision of dust sucking) upto entire satisfaction of Engineer-in-charge, after preparing the surfaces applying two coats of weather proof exterior emulsion paint (wheather coat Apex, 100% exterior grade of Asian pants or its equivalent in other approved makes), as per existing or as approved tint/colour complete all as specified and as directed

Raju Builders (BID ID -3083837)

vrk constructions (BID ID -3084514)

RAVI ENTERPRISE (BID ID -3082144)