IMPROVEMENT TO FIRE HYDRANT SYSTEM ALONGWITH CONNECTED ITEMS FOR E-25 TO E-29 PHASE-I, DRDO RESIDENTIAL COMPLEX, BANGALORE

Amount

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for laying of Cables / pipe lines etc. and getting out in hard/dense soil complete all as specified and as directed.

Returning, filling in, using excavated soils, including spreading, leveling, watering and well ramming in layers not exceeding 25 cm thick with excavated soils complete all as specified and as directed.

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

Taking down existing wet riser system of 100 mm dia mild steel flange pipe from position, complete all as specified and as directed.

Re-fixing of taken down mild steel pipe of 100 mm dia, in new or old position on walls / ceilings / floors, by cutting / fabricating / making new threads and fixing with new nuts, bolts, washers of suitable size for flanges, clamps, and matching with existing system complete all as specified and as directed.

Material and labour, for mild steel flanged pipes of 150 mm nominal bore, heavy duty, class 'C' as per IS 1239 (for fire fighting works), laid in trenches / floors / walls with and including fittings and fixtures, gaskets, nuts & bolts, washers, cutting and jointing, to match with site conditions and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer, complete all as specified and as directed.

Material and labour, for mild steel flanged pipes of 100 mm nominal bore, heavy duty, class 'C' as per IS 1239 (for fire fighting works), laid in trenches / floors / walls with and including fittings and fixtures, gaskets, nuts & bolts, washers, cutting and jointing, to match with site conditions and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer, complete all as specified and as directed.

Material and labour, for mild steel flanged pipes of 80 mm nominal bore, heavy duty, class 'C' as per IS 1239 (for fire fighting works), laid in trenches / floors / walls with and including fittings and fixtures, gaskets, nuts & bolts, washers, cutting and jointing, to match with site conditions and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer, complete all as specified and as directed.

Material and labour, for mild steel flanged pipes of 25 mm nominal bore, heavy duty, class 'C' as per IS 1239 (for fire fighting works), laid in trenches / floors / walls with and including fittings and fixtures, gaskets, nuts & bolts, washers, cutting and jointing, to match with site conditions and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer, complete all as specified and as directed.

Supply and fix, single headed, fire hydrant landing valve, type A, 63 mm dia, conforming to IS 5290, gun metal, flanged inlet, with caps, chain and hand wheels, complete all as specified and as directed.

Taking down unserviceable fire hydrant stand post with all accessories and making a taping point water tight complete all as specified and as directed.

Supply and fix, fire hydrant stand post, 80 mm dia GI, both ends flanged type, 1.5 m height with provision of single outlet connection, conforming to IS 908, complete all as specified and as directed.

Taking down broken wooden reel box of any type, complete all as specified and as directed.

Supply and fix, hose box for keeping 2 Nos of hose pipe of length 15 m, made of 2 mm thick mild steel sheet and of size 800 mm x 600 mm x 250 mm with double door, front with 4 mm thick glass, branch pipe, nozzle, coupling etc., including gaskets, and painting with two coats of synthetic enamel paint of fire red colour over a coat of red oxide zinc chrome primer complete all as specified and as directed.

Supply and fix in repairs hose reel drum, swing type with hose reel of 20 mm dia, 30 m length conforming to IS 5132, and fixed to wall properly with nuts, bolts, clamps, etc., coupling for branch pipe and nozzle, made up with mild steel sheet and painted with fire red colour complete all as specified and as directed.

Supply and fix, gun metal branch pipe, 63 mm dia, with 12.5 mm nozzle, conforming to IS 903, ISI mark embossed on it complete all as specified and as directed.

Supply and fix in repairs, gun metal branch pipe of 63 mm dia, with 20 mm nozzle, conforming to IS 8090, ISI mark embossed on it, for hose reel complete all as specified and as directed.

Supply and fix, Rubber reinforced line (RRL) hose of 15 metres long, 63 mm dia conforming to IS-636 with one set of gun metal female and male coupling conforming to IS 903, complete all as specified and as directed.

Supply and fix in repairs, 100 mm dia, with mild steel cage Pressure Gauge up to 25 kg/ Sq cm complete all as specified and as directed.

Supply and fix in repairs, gun metal fire brigade inlet connection for connecting to external fire hydrant ring main consisting of two Nos 63 mm dia instantaneous type coupling, with built in check valves and of 150 mm dia, flanged outlet, and all accessories complete all as specified and as directed.

Supply and fix in repairs, mild steel cabinet (approx. size 750 mm x 600 mm x 450 mm) to enclose fire brigade inlet connections, fabricated out of 16 gauge sheet with front glass door and locking arrangement, both surfaces painted with two coats of synthetic enamel paint over a coat of red oxide zinc chrome, fixed on masonry platform, complete all as specified and as directed.

Supply and fix, Sluice Valve Class PN 1.6, flanged type heavy duty, 150mm bore of pipe, including jointing materials i.e., rubber gaskets and mild steel nuts, bolts of suitable size with two numbers of washers on each bolt etc., complete all as specified and directed.

Supply and fix, Sluice Valve Class PN 1.6, flanged type heavy duty, 100mm bore of pipe, including jointing materials i.e., rubber gaskets and mild steel nuts, bolts of suitable size with two numbers of washers on each bolt etc., complete all as specified and directed.

Supply and fix, Sluice Valve Class PN 1.6, flanged type heavy duty, 80 mm bore of pipe, including jointing materials i.e., rubber gaskets and mild steel nuts, bolts of suitable size with two numbers of washers on each bolt etc., complete all as specified and directed.

Supply and fix, addressable manual call point, resettable type complete all as specified and directed.

Supply and fix, cast iron non-return valve, flange type of heavy duty wafer type, 100 mm dia complete all as specified and directed.

Taking down existing GI pipe connections to fire tanks from main inlet connection over roof of building and inserting plug and making dummy, complete all as specified and directed.

Supply, install, test and commissioning of 8 zone conventional fire alarm panel with display unit, complete all as specified and as directed.

Supply, install, test and commissioning of 12v, 7 AH battery, complete all as specified and as directed.

Material and labour for PVC sheathed, 1100 v grade, copper bunched conductor cable of 2 core 1.5 sq mm, drawn through and including PVC rigid conduit, medium grade, 19/20 mm dia with conduit accessories and fixed on wall surfaces complete all as specified and as directed. Note : PVC conduit along with cable will be measured as one unit.

Supply, install, test and commissioning of conventional combo box, including MCP, Hooter and PA talk back speaker complete all as specified and as directed.

SREE VARU ELECTRICALS

devan enterprises

Satya Dharam Vikas Fire Safety & Security Services

Sahara Engineers