Repair/maint/replacement of external water supply installations maintenance of electrical pump/motor GI/CI pipe lines valves and other allied works CGRA Meenambakkam Thalakancherry and ICGAS Air Station and other areas under GE (I) (CG) Chennai

Amount

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for foundation ,taking out/laying of GI pipes etc and getting out in soft/Loose soil complete all as specified and as directed.

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

Removing excavated soil n exc 50 m and depositing where directed at a level n exc.1.5 m above the starting point complete all as specified and as directed.

Taking up or down steel tubing 20mm dia and connections in new or old position (trench,wall, ceiling, floors etc) removal from site and taken as credit complete all as specified and as directed.. Note:Earth work and excavation shall be measured and paid separately.

All as per item No. 4 here in before but for Size 25 mm dia bore pipe

All as per item No. 4 here in before but for Size 40 mm dia bore pipe

All as per item No. 4 here in before but for Size 50 mm dia bore pipe

All as per item No. 4 here in before but for Size 80 mm dia bore pipe

All as per item No. 4 here in before but for Size 100 mm dia bore pipe

All as per item No. 4 here in before but for Size 150 mm dia bore pipe

Relaying of GI water tubing 20mm dia including provision of fittings complete all as specified and as directed.

Relaying of GI water tubing 25mm dia including provision of fittings complete all as specified and as directed.

Relaying of GI water tubing 40mm dia including provision of fittings complete all as specified and as directed.

Relaying of GI water tubing 50mm dia including provision of fittings complete all as specified and as directed.

Relaying of GI water tubing 80mm dia including provision of fittings complete all as specified and as directed.

Relaying of GI water tubing 100mm dia including provision of fittings complete all as specified and as directed.

Relaying of GI water tubing 150mm dia including provision of fittings complete all as specified and as directed.

Supply and lay 20 mm dia steel water tubing galvanised medium grade including all fittings such as bends belows tee, unions, sockets etc laid complete laid in trenches or wall ,ceiling ,floor etc complete all as specified and as directed. Make- TATA/Jindal/ Zenith with ISI marked.

All as per item No. 18 here in before but for Size 25 mm dia bore pipe

All as per item No. 18 here in before but for Size 40 mm dia bore pipe

All as per item No. 18 here in before but for Size 50 mm dia bore pipe

All as per item No. 18 here in before but for Size 80 mm dia bore pipe

All as per item No. 18 here in before but for Size 100 mm dia bore pipe

All as per item No. 18 here in before but for Size 150 mm dia bore pipe

Supply and fix 20 mm bore dia Gun metal globe or gate valve with iron wheel head confirming to IA-778 class-I screwed both ends for iron pipe inculding dismantling the old unserviceable Gun metal globe or gate valve and taken as credit complete all as specified and as directed . Make- Leader/Kirloskar with ISI marked.

Supply and fix 25 mm bore dia Gun metal globe or gate valve with iron wheel head confirming to IA-778 class-I screwed both ends for iron pipe inculding dismantling the old unserviceable Gun metal globe or gate valve and taken as credit complete all as specified and as directed . Make- Leader/Kirloskar with ISI marked.

Supply and fix 40 mm bore dia Gun metal globe or gate valve with iron wheel head confirming to IA-778 class-I screwed both ends for iron pipe inculding dismantling the old unserviceable Gun metal globe or gate valve and taken as credit complete all as specified and as directed . Make- Leader/Kirloskar with ISI marked.

Supply and fix 50 mm bore dia Gun metal globe or gate valve with iron wheel head confirming to IA-778 class-I screwed both ends for iron pipe inculding dismantling the old unserviceable Gun metal globe or gate valve and taken as credit complete all as specified and as directed . Make- Leader/Kirloskar with ISI marked.

Repairs to PPR pipe of any dia fixed on wall outside the building for direct water supply to the Married accomodation G+5 storey including provision of scafolding/ladder/or any other method for repairing the leakage including joint by heating machine and provn of small pieces of PPR pipe and accessories for required size 20/25/40 mm for fully stop the leakage complete all as specified and as directed .

Taking out unserviceable foot valve / check valve from the suction pipe of the pump set and taken as credit and Supply and fix foot valve 100 mm dia heavy duty , gun metal both end threaded and leaf spring loaded vertical type complete all as specified and as directed . Make- Kirloskar/Leader/Kartar with ISI marked .

All as per item No 30 here in before but of size 80 mm dia

All as per item No 30 here in before but of size 50 mm dia

Material and Labour for Cast Iron sluice value 150 mm dia conforming to IS 780 with flanged and drilled ends and CI wheel non raising type including necessary jointing and jointing materials complete class PN-1.0 (with rubber gaskets, bolts and nuts and replacement of both side pipe flanges complete etc) and taking down the worn out sluice valveand taken as credit complete all as specified and as directed.Make :- Kirlosker / Leader /Zoloto

All as per item No 33 here in before but of size 100 mm dia

All as per item No 33 here in before but of size 80 mm dia

Flushing the bore well of size 150 mm dia (internal)upto 100 meter deep by means of Air compresser of capacity not lessthan 650 CFM at 150 PSI pressure for not less than four hours untill the clear water comes out complete all as specified and as directed

Material and labour for lifting submersible pumpset of capacity 30 HP ,3 phase ,440 Volts from sewage sump well ,5 meter deep with suitable tools and plant ,Dismantling,opening and taking out unserviceable spares and fixing with new spares as required,greasing and reassembling ,lowering in to sewage sump after repair including testing complete all as specified and as directed. Note: Spares required for replacement shall be measured and paid seperately

Material and labour for rewinding of motor stator coil of submersible sewage pumpset of capacity 30 HP ,3 phase ,440 Volts (Make:KSB) including replacement of bronze impeller,ball bearing,bush cap ,fan ,flanges,key,nut,bolts,terminal boxes,stainless steel shaft ,washers and rubber gasket etc as per IS-396 of 1953 up dated version using super enamelled copper wire of same gauge complete all as specified and as directed.

Supply and replacement of star-delta starter 3 phase, 440 volts 50 HZ for 30 HP submersible sewage pumpset ,open execution type ,fully automatic with single phase preventer relay range 10 to 16 amps and taking down the worn out star delta star and taken as credit . Make- BCH/English electric /Siemens/L&T

Repairs to Centrifugal/Monoblock Pumpset of 1.50/2.0 HP capacity ,3 phase ,440 Volts by taking down pumpset ,dismantling , opening ,cleaning and taking out unserviceable spares and refixing the same in original position after necessary repair and replacement of new spares,greasing of bearings ,servicing and reassembling /refixing in the same position including electric and water inlet and out connection and testing complete all as specified and as directed. Make : Kirloskar/ Suguna/ Sharp Note: The cost of spares shall be paid under relevent items given below as " Supply only".

All as per item No 40 here in before but of capacity 3/5 HP

All as per item No 40 here in before but of capacity 7.5/10 HP

All as per item No 40 here in before but of capacity 15/20 HP

All as per item No 40 here in before but of capacity 25 HP

Supply and fix Ball bearing along with new Gm bush suitable for 1/2 HP Pumpset . Make :SKF/NBC

Supply and fix Ball bearing along with new Gm bush suitable for 3/5 HP Pumpset . Make :SKF/NBC

Supply and fix Ball bearing along with new Gm bush suitable for 7.5/10 HP Pumpset . Make :SKF/NBC

Supply and fix Ball bearing along with new Gm bush suitable for 15/20 HP Pumpset . Make :SKF/NBC

Supply and fix Ball bearing along with new Gm bush suitable for 25 HP Pumpset . Make :SKF/NBC

Supply and fix stainless steel pump shaft suitable for 1/2 HP Pumpset

Supply and fix stainless steel pump shaft suitable for 3/5 HP Pumpset

Supply and fix stainless steel pump shaft suitable for 7.5/10 HP Pumpset

Supply and fix stainless steel pump shaft suitable for 15/20 HP Pumpset

Supply and fix stainless steel pump shaft suitable for 25 HP Pumpset

Material and labour for rewinding of motor stator coil of Centrifugal/Monoblock pumpset of capacity 1.50/2 HP ,3 phase ,440 Volts including replacement of bronze impeller,ball bearing,bush cap ,fan ,flanges,key,nut,bolts,terminal boxes,stainless steel shaft ,water seal ,washers and rubber gasket etc as per IS-396 of 1953 up dated version using super enamelled copper wire of same gauge complete all as specified and as directed.

All as per item No 55 here in before but of capacity 3/5 HP

All as per item No 55 here in before but of capacity 7.5/10 HP

All as per item No 55 here in before but of capacity 15/20 HP

All as per item No 55 here in before but of capacity 25 HP

Supply only ball bearing suitable for 1/2 HP motors . Make :SKF/NBC

Supply only ball bearing suitable for 3/5 HP motors . Make :SKF/NBC

Supply only ball bearing suitable for 7.5/10 HP motors . Make :SKF/NBC

Supply only ball bearing suitable for 15/20 HP motors . Make :SKF/NBC

Supply only ball bearing suitable for 25 HP motors . Make :SKF/NBC

Material and labour for lifting submersible pumpset of capacity 2 HP ,3 phase ,440 Volts from bore well ,60 meter deep with suitable tools and plant ,Dismantling,opening and taking out unserviceable spares and fixing with new spares as required,greasing and reassembling ,lowering in to bore well after repair including testing complete all as specified and as directed. Note: Spares required for replacement shall be measured and paid seperately

All as per item No 65 here in before but of capacity 3/5 HP

Material and labour for rewinding of motor stator coil of submersible pumpset of capacity 1.50/2 HP ,3 phase ,440 Volts including replacement of bronze impeller,ball bearing,bush cap ,fan ,flages,key,nut,bolts,terminal boxes,stainless steel shaft ,water seal ,washers and rubber gasket etc as per IS-396 of 1953 up dated version using super enamelled copper wire of same gauge complete all as specified and as directed.

Description all as per item No 32 here in before but of capacity 3/5 HP

Supply and lay flat submerssible cable in trenches/bore well, cable PVC insulated LT UG cable 1100 volts grade 3 core with stranded flat type copper conductor of size 4sqmm (each core) complete all as specified and as directed.Make :Finolex/Poly cab/ Asian

Supply and replacement of DOLstarter 3 phase, 440 volts 50 HZ fully automatic relay range 10 to 16 Amps and taken as credit complete all as specified and as directed. Make- BCH/English electric /Siemens.

Supply and replacement of Star-delta starter 3 phase, 440 volts 50 HZ for 3/5 HP motor ,open execution type , fully automatic with single phase preventer relay range 10 to 16 amps and taking down the worn out star delta star and taken as credit complete all as specified and as directed. Make- BCH/English electric /Siemens.

Supply and replacement of Star-delta starter 3 phase, 440 volts 50 HZ for 15 HP motor ,open execution type , fully automatic with single phase preventer relay range 10 to 16 amps and taking down the worn out star delta star and taken as credit complete all as specified and as directed . Make- BCH/English electric /Siemens/L&T

Supply and fix float valves 40 mm dia high pressure with polythene float and fly nut complete screwed for iron pipe including socket of suitable size fixed with over head service tank ,any stage complete all as specified and as directed Make- Prayag/Leader.

Description all as per item No 38 here in before but of size for 50 mm bore pipe

Material and labour for Cleaning throughly ,removing dust,rust/scaling from 150 mm dia GI/CI pipe from any type of bore/pipe/plain surface and painting with two coats of synthetic enamel paint including lettering and arrow with black paint complete all as specified and as directed

All as per item No 40 here in before but of size for 100 mm bore pipe

Supply only First aid box with first aid medicines kit normally used complete all as specified and directed.

Construction of brick masonry using fly ash bricks valve chamber of internal size 600 mm x 600 mm x 600 mm with PCC 1:3:6 type C2 ( using 40 mm graded aggregate) for foundation- 75 mm thick, brick walls in CM 1:4-230mm thick, PCC 1:2:4 type B1 for copings 50 mm thick, rendering in CM 1:4 - 15 mm thick both the sides , provision of MS sheet cover 3mm thick fixed to MS angle frame made out of 40x40x6mm thick with locking arrangement complete and two coats of synthetic enamel paint over one coat of red oxide primer, including necessary excavation and earth work and removal of surplus soil to a distance not exc 50m in any type of soil complete all as specified and as directed.

Material and labour for PCC 1:3:6 type C1 using 20 mm graded stone aggregate as in coping for valve chambers including form work complete all as specified and as directed.

Labour for cleaning,dressing and levelling including removing bushes,grass,vegetations and small girth of trees by suitable tools and plants around the water supply installations Area :40 sqm andwater supply storage tank Area:45 sqm ,Sewage installations Area :90 sqm and removal of debris etc outside the MD land complete all as specified and as directed.

Material and Labour for CI Non return valve 50 mm dia including jointing and jionting material and taking down the worn out Non return valveand taken as credit complete all as specified and as directed.Make :- Kirlosker / Leader /Zoloto

Material and Labour for CI Non return valve 80 mm dia including jointing and jionting material and taking down the worn out Non return valveand taken as credit complete all as specified and as directed.Make :- Kirlosker / Leader /Zoloto

Material and Labour for CI Non return valve 100 mm dia including jointing and jionting material and taking down the worn out Non return valveand taken as credit complete all as specified and as directed.Make :- Kirlosker / Leader /Zoloto

Material and Labour for CI Non return valve 150 mm dia including jointing and jionting material and taking down the worn out Non return valveand taken as credit complete all as specified and as directed.Make :- Kirlosker / Leader /Zoloto

Supply and fix bearing with GM Bushes suitable for 30 HP submersible pump set Non clog type including rubber gasket complete all as specified and as directed.Make :SKF/NBC

Supply and fix GM impeller suitable for 30 HP submersible pump set Non clog type complete all as specified and as directed.

RK ENTERPRISES