Public Works Department Tender

Dismantling asbestos sheet roofing including ridges, hips valley and gutters and stacking the material within 50 meters lead.

Providing corrugated G.I. sheet roofing, fixed with galvanized iron j or 1 hooks, bolts and nuts 8 mm diameter with bitumen and G.I. limpet washers filled with white lead complete excluding the cost of purlins rafter and trusses. a)0.63 mm thick sheet - 24 G

Dismantling rolling shutters, top covers and shafts etc. for replacement of springs ball bearing complete and refixing the shutter after replacement of springs and ball bearing (cost of replacement parts excluded) including all labour and returning the unserviceable parts to the department complete.

Providing & fixing in position Galvalume/Zincalume flashings, cappings, ridges, gutters upto 600mm/610mm girth and min 3.00m in length (cold Rolled Steel 550 MPa yeild Stress ASTM A 446 Grade E) with hot-dip metallic coating of aluminium-zinc alloy(AZ 150 galvalume) (150 gms/sqm total of both sides with Al-Zn Composition= 55% & 43.5% resp. & 1.5% Si conforming to ASTM 792/ AS 1397) 0.45 mm base metal thickness and 0.50mm total coated thickness, factory cut at all heights for roof, side & gable cladding complete in all respects with AZ 150 GSM SMP color Coated (20mic exterior coat of Silicon Modified Polyester paint system over 5 mic primer and 5 mic polyester back coat over 5 mic primer) incl. fixing to purlins with no 12x14x55mm mechanically galvanised hex head self drilling screws of the best quality as per AS-3566 class 3-4 approved, which should be compatible to be used with sheets. with integral washers and EPDM seals etc. Silicon sealant non-hardening neutral cure type shall be applied at all end laps, complete as directed.

Providing and fixing PVC SWR pipes confirming to IS 13592 type A including jointing with seal ring confirming to IS 5382 leaving 10 mm gap for thermal expansion.

b)Single socketed pipe 110 mm dia

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) (Square Hollow Section (SHS) IS4923 /Rectangular Hollow Section (RHS) IS4923/ Circular Hollow Section (CHS) IS1161 closed Structural Steel of (SAIL, TATA. VIZAG, JSW ,APOLLO Steel Ltd.) make (Min Yeild Stress 310 Mpa)) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete.

Providing and fixing Prince or equivalent make PVC SWR half round eaves gutter with bolts, nuts and flat iron brackets 40 x 3 mm size complete. B)180 mm nominal size

Extra for providing and fixing prince or equivalent make PVC SWR short stop ends for socketed half round eaves gutters. A)180 mm nominal size

Extra for providing and fixing prince or equivalent make PVC SWR joint bracket with 2 clamps for socketed half round eaves gutters. B)180 mm nominal size

Providing and placing on terrace roof of floor two (1st flor roof single piece rotational moulded polythene water storage tank having I S I mark and conforming to I S 12701; 1996. c)1000 lit. capacity

Extra for placing polythene tank on roof of floor three (2nd floor roof) c)1000 lit. capacity

Providing and fixing chlorinated ployvinyl chloride (CPVC) pipes confirming to IS:15778, having thermal stability for hot and cold water supply including all CPVC plain and brass threaded fittings including fixing the pipes with clamps at 1 mt. spacing. This includes jointing of pipes and fittings with one step CPVC solvent cement and testing of joints complete as per direction of the Engineer-in-charge. Internal work exposed on wall (Medium duty SDR 13.5 pipe). a)15 mm outer dia CPVC pipe

supply of labour

TRANSPORTATION AND CARRIAGE OF MATERIALS (A) By tipper truck including loading, unloading and stacking (A) Lime,building rubbish, manure sludge, moorum excavated rock ( i ) Lime,moorum, building rubbish beyond 10 upto 20km per km

Extra for providing and fixing prince or equivalent make PVC SWR single socket elbow for socketed half round eaves gutters. B)110 mm nominal size