REPAIR/MAINTENANCE OF EXTERNAL WATER SUPPLY SYSTEM AND CONNECTED ITEMS AT NO. 2 AFSB MYSORE UNDER AGE (I) AF STATION CHIMNEY HILLS

Amount

M & L for dewatering from under ground sump, cleaning internal walls, bottom surface of sump by removing scales and other foreign materials, scrubbing with water using coir jute brushes, washing the surfaces with mixture of bleaching powder and water. Finally washing with fresh water on walls, bottom surface etc applying two coats of white wash inside and outside as existing colour wash complete as directed for the following:-

100000 Ltrs capacity

60000 Ltrs capacity

40000 Ltrs capacity

M & L for dewatering from RCC Over head reservoir of 100000 ltrs capacity (30 mtr height staging), cleaning internal walls, bottom of sump by removing scales and other foreign materials, scrubbing with coir/ jute brushes using water, washing the surfaces with mixture of bleaching powder and water, finally washing with fresh water on walls, bottom surface etc, applying two coats of white wash inside complete as specified and directed

M & L for dewatering from Under ground Static sump of 10000 glns capacity, cleaning internal walls, bottom of sump by removing scales and other foreign materials, scrubbing with coir/ jute brushes using water, washing the surfaces with mixture of bleaching powder and water, finally washing with fresh water on walls, bottom surface etc, applying two coats of white wash inside and outside as exisitng colour wash complete as specified and directed

Supply and lay in trenches/floors/walls of GI tubing medium grade with all fittings such as elbow, tee, union, short pieces etc of size 80mm dia bore complete all as directed

All as per item ser No 04 here in before but of size 50mm dia

All as per item ser No 04 here in before but of size 40mm dia

All as per item ser No 04 here in before but of size 25mm dia

All as per item ser No 04 here in before but of size 20mm dia

Supply and fix Gun metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe of size 50 mm dia complete all as specified and directed

All as per item No 09 above but for 40mm dia

All as per item No 09 above but for 25mm dia

All as per item No 09 above but for 20mm dia

S&F in repairs CPVC Ball valve suitable for 25mm dia pipe complete all as specified and directed

Supply only gland packing rope of various sizes suitable for sluice valves/pumps as required at site complete all as specified and directed

M & L for repairs to Monoblock pumpset of capacity 12.5 HP including replacing the worn out nuts, bolts, rubber gasket, gland packing and making serviceable condition complete servicing all as specified and directed

All as per item No 15 above but of capacity 5 HP

All as per item No 15 above but of capacity 2 HP

Supply only high strength calcium based granular chemical disinfectant for water treatment packed in 45 kg plastic drum as and when required basis supplied at MES Pump House

Excavation in trenches n.exc 1.5m wide and n.exc 1.5m in depth out in hard/dense soil for repair/laying of pipes/valves etc

Returning, filling in including spreading, levelling, watering and well ramming in layers in exc 25 cms in hard/dense soil

M&L for arresting of water leakage from existing pipe line in position from DI/CI/GI pipe of following sizes ,including excavation through Men/Mechnical power ,cutting,welding as per site requirement,jointing material such as lead joint/gaskit joint/CIfitting, nutand bolts,washers and refilling etc complete.All as specifide and directed by Engineer- In- Charge. Note:- (i) Excavation up to 1x1x6 Mtr will be deem to incl in coted rate. More excavation will be measured and paid saperately. (ii) Jointing material and pipe length will be measured and paid saperately.

150 mm Bore

100 mm bore

80 mm bore

M&L for arresting of water leakage from existing pipe line in position from GI pipe of following sizes ,including excavation through Men/Mechnical power ,cutting threading,welding as per site requirement, incl jointing material such as GI ( Bend,socket,reducer,tee,furrel, union ,solution,thred etc) and refilling etc complete.All as specifide and directed by Engineer- In- Charge. Note:- (i) Excavation up to 1x1x6 Mtr will be deem to incl in coted rate. More excavation will be measured and paid saperately. (ii) Pipe length will be measured and paid saperately.

40 to 50 mm bore

15 to 25 mm Bore.

ANAND REFRIGERATION

Lucky Enterprises

SAPTHAGIRI CONSTRUCTIONS

KUZHIKKAL ENTERPRISES

Power and Telecom Systems

H S S ENGINEERS AND CONTRACTORS

RAMESH BABU CO