SPECIAL REPAIR ,REPLACEMENT OF OLD GI AND CI WATER PIPE LINES IN KV SCHOOL AREA INCLUDING PROVN OF WKS SERVICES FOR INSTALLATION OF AR,VR COMMON USER VEHICLES SIMULATOR CUVs AT SIMULATOR SECTION AT AIRFORCE STATION AVADI

Amount

S&F Switch socket outlet 2 in 1,3 pin, 5 and 15 Amps flush type complete with MS terminal box and laminated hylam sheet with fitting accessories complete all as specified and directed.( Through Submain wiring)

Power/Sub-main wiring with PVC insulated unsheathed, FRLSH,1100 volts, grade multistranded copper conductor, two runs of single core 4 sqmm conforming to IS-694, drawn through and including single core multistranded copper casing/conduit pipe with accessories alongwith one run 4 sqmm PVC insulated single core multistranded copper conductor cable (green) as earth continuity conductor fixed in walls/floors/Wooden board or working table with suitable clamps and connected accessories and connecting to common earth dolly complete all as specified and directed.

Power/Sub-main wiring with PVC insulated unsheathed, FRLSH,1100 volts, grade multistranded copper conductor, two runs of single core 10 sqmm conforming to IS-694, drawn through and including suitable dia suitable size PVC caping casing/conduit pipe with accessories alongwith one run 10 sqmm PVC insulated single core multistranded copper conductor cable (green) as earth continuity conductor fixed in walls/floors/Wooden board or working table with suitable clamps and connected accessories and connecting to common earth dolly complete all as specified and directed.

Supply and fixing 240V, 10KA 'B' curve miniature circuit breaker (MCB) of single poles and Neutral current carrying capacity 40-63 AMP, in the MCB DB Complete with connection testing and commissioning complete all as specified and directed.

Supply and fixing 240V, 10KA 'B' curve miniature circuit breaker (MCB) of single poles and current carrying capacity 6-32 AMP, in the MCB DB Complete with connection testing and commissioning complete all as specified and directed.

S&F MCB DB SPN 08 way, double door, powder coated, 240 volts, AC, 50Hz, IP 43 protected, with provision for MCB double pole as incomer and SP MCBs as outgoing with tinned copper bus bar, neutral link, earth link and connecting up complete all as specified and directed. Note: Incoming and Outgoing MCB measured separately relevant items.

Material and labour for earth continuity conductor or main earthing lead fixed to valve on batten or recess or chases or burried in ground or drawing in conduit or any other situation for loop earthing etc as reqd 4 mm dia galvanized steel wire all as specified and directed

Earthing complete with galvanised iron earth plate electrode 600mm X 600mm X 6mm thick, with and including earthing of 4mm dia GI wire protected by 15mm dia GI pipe light grade upto a length of 7.5m. The plate shall be buried directly in ground vertically to a depth not less than 2.25 metres below ground level with top edge of the earth plate at a depth not less than 1.5 metres below ground level, connected to earth lead as described here-in-before by means of bolts, nuts, washers and checknuts made out of galvanised iron or mild steel, earthing lead protected by as described here-in-before and connected to main switch board or main cotrol board or electric pole all as shown on electrical plate No.3 of MES Sch Part-I including necessary earth work an dexcavation in any type of soil, plain cement concrete 1:3:6 type C1 chamber, reinforced cement concrete cover slab with locking arrangement and handle of 10mm dia MS round bars 450mm long, 1:2:4 type B1, 50mm thick with 8mm dia TMT bars at 140mm centre to centre both ways, GI pipe of bore 20mm medium grade for watering with funnel, wiremesh, salt, charcoal, lugs including testing complete all as specified and directed.

Taking down and removing the existing GI tubes and connections of size 25 mm to 32mm complete all as specified and directed.

Taking down and removing the existing GI tubes and connections of size 40 mm to 50mm complete all as specified and directed.

Taking down and removing the existing CI tubes and connections of size 80 mm complete all as specified and directed.

Taking down and removing the existing CI tubes and connections of size 150 mm complete all as specified and directed.

Supply and laying 3-layer PP-R Polypropylene random copolymer) pipes 25mm dia SDR 7.4 (PN16) UV stablised and antimicrobial welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed complete to walls, ceiling, floors and laid in trenches etc all as specified and directed.

All as per above item No 13 but PP-R pipe size in 40mm complete all as specified and directed.

All as per above item No 13 but PP-R pipe size in 50mm complete all as specified and directed.

All as per above item No 13 but PP-R pipe size in 90mm complete all as specified and directed.

All as per above item No 13 but PP-R pipe size in 160mm complete all as specified and directed.

Supply and fixing PP-R Gate valves of size 50 mm(brass insert) as per requirement of the site all as specified and directed.

Supply and fixing PP-R Gate valves of size 40 mm(brass insert) as per requirement of the site all as specified and directed.

Supply and fixing PP-R Gate valves of size 25 mm(brass insert) as per requirement of the site all as specified and directed.

Supply and fixing Sluice Valve Class PN 1.6 valves of size 80 mm as per requirement of the site all as specified and directed.

Supply and fixing Sluice Valve PN 1.6 of size 150 mm as per requirement of the site all as specified and directed.

Making connection of PP-R distribution branch with PP-R main of sizes 50 to 75mm dia pipe by providing and fixing tee including cutting and making fusion joint etc all as specified and directed.

Making connection of PP-R distribution branch with PP-R main of sizes 16 to 40 mm dia pipe by providing and fixing tee including cutting and making fusion joint etc all as specified and directed.

Making connection of PP-R distribution branch with PP-R main of sizes 90 mm dia pipe by providing and fixing tee including cutting and making fusion joint etc all as specified and directed.

Making connection of PP-R distribution branch with PP-R main of sizes 160 mm dia pipe by providing and fixing tee including cutting and making fusion joint etc all as specified and directed.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth and getting out in soft/loose soil for laying of cable ,pole foundation,stay,laying of pipe etc complete all as specified and directed.

Returning filling in, including spreading ,leveling ,watering and well ramming in layers not exc 25 cm complete all as specified and directed.

Removing excavated soil to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and directed.

Material & labour for demolition of old valve pit and construction of new brick masonry valve pit of size 90 x 90 x 90 cm (internal size) with mild steel cover 6mm thick and angle iron frame of size 50x50mmx6mm duly painted with two coats of synthetic enamel paint over a red oxide primer including locking arrangement , brick work and all inner surfaces of pit and exposed portion of out side shall be plastered in cement mortar (1:4) complete all as specified and directed.

M&L for road cutting for laying of CI/GI/PPR Pipe of any size upto 60-75 cm depth , 45cm width , upto length 3-5 mtr and repair road using same material of existing as per site complete all as specified and as directed.

muthu constructions (BID ID -3290049)

SWIFTTECH ENGINEERS INDIA PVT LIMITED (BID ID -3289785)

Gee Kay Projects (BID ID -3294581)