REPAIR/REPLACEMENT OF WATER SUPPLY LINES AND MISC WORKS OF INSTALLATION AT HARNI AREA UNDER GE (A) BARODA.

Amount

Excavation in trenches not exc 1.5m wide & not exc 1.5m in depth for foundation ,for taking out/ laying of CI/DI /GI pipe line, in trenches not exc 10sqm on plan & not exc 1.5m in depth & getting out in any soft/loose soil.

Returning, filling in trenches including spreading, levelling watering and well ramming in layers not exceeding 25cm in soft/loose soil.

Removing excavated material to a distance not exc 50mtr and depositing where directed at level n exc1.5 mtr above the starting point

Taking up or down old unserviceable DI/GI tubing and connection including disconnection of fittings from tubing where required and cleaning for refixing or removal from site complete as directed by Engr-in-Charge of following sizes :-

Old GI 20 mm bore

Old GI 25 mm bore

Old GI 40 mm bore

Old GI 50 mm bore

Old GI 80 mm dia

Old DI 100 mm dia

Old DI 150 mm dia

Refixing/Relaying of old DI/GI tubing and connections in new or old position including new tightening rubber complete all as directed by Engr-in-Charge.

GI pipe 20 mm dia

GI pipe 25 mm dia

GI pipe 40 mm dia

GI pipe 50 mm dia

GI pipe of 80 mm bore

DI pipe of 100 mm bore

DI pipe of 150 mm bore

Supply & laying of water pipe lines of the following sizes and grade complete with fittings (such as bends, elbows, tees, short pieces, connectors, caps, plugs, unions and screwed socket joints etc) laid in trenches complete as directed by Engr-in-Charge, of following sizes (Note when pipe laid in straight line then the 3rd length is required to be connected by union). :-

GI pipe, Med grade 20 mm dia

GI pipe, Med grade 25 mm dia

GI pipe, Med grade 40 mm dia

GI pipe, Med grade 50 mm dia

GI pipe, Med grade 80 mm dia

Supplying, laying, jointing & testing Ductile iron Pipes ,special class – K 7 ISI marked (IS-8329-2000 Reaffirmed -2005 Eddition 4.1) suitable for push on joints supplied with rubber gaskets , with sockets and cement mortar lining and metallic zinc coating inside and with finishing layer of bitumenous paint outside , without polyethelene sleeves but including Push on joint supplied with EDPM rubber gasket conforming to IS 5382-1985(reaffirmed-2003) with dual hardness of type 2 (bulb) and type-5 (Heel) quality , laid in trenches all as specified and as directed complete of following size:

100 mm bore

150 mm bore

Taking down old unserviceable gate valve / stop valve of any size complete.

Supply and fixing gun metal, globe or gate valve for 20 mm dia pipe with iron wheel head, screwed both ends ISI marked (Make : Kirloskar / Sant / BIR / Jindal or equivalent approved make)

Supply and fixing gun metal, globe or gate valve for 25 mm dia pipe with iron wheel head, screwed both ends ISI marked (Make : Kirloskar / Sant / BIR / Jindal or equivalent approved make)

Supply and fixing gun metal, globe or gate valve for 40 mm dia pipe with iron wheel head, screwed both ends ISI marked (Make : Kirloskar / Sant / BIR / Jindal or equivalent approved make)

Supply and fixing gun metal, globe or gate valve for 50 mm dia pipe with iron wheel head, screwed both ends ISI marked (Make : Kirloskar / Sant / BIR / Jindal or equivalent approved make)

M & L for caulking of lead joint of spigot and socket cast iron pipe incl providing lead wool and making joint leak proof including necessay earth work/excavation and making good disturbed site, T & P and draining out water etc of following as directed.

150 mm bore

100 mm bore

80 mm bore

S&F CI/DI special bends (any type radius & angle), tappers any type (straight bend increasing or decreasing or double socket etc) tee pieces single branch ‘Y’ junction double branch cross (all sockets or socket & spigot) collars caps plug etc up to 150 mm bore for spigot & socket and socket pipes.

M & L for Cutting of CI pipes and reducing to required length in position for insertion of tees, branches etc complete all as directed:

150 mm bore

100 mm bore

80 mm bore

S&F cast iron sluice valve both ends flanged class PN-1.6 conforming to IS-14846 with stainless steel spindle including joints & jointing materials (Rubber gasket, nut, bolts,washers etc) complete of following sizes Make Kirloskar/ Kartar/Leader

150 mm bore

100 mm bore

Supply and fix PVC foot valve any type conforming to IS 4038 complete of following size all as per specified and directed by Engr-in-Charge.

100 mm bore

80 mm bore

Demolition of u/s valve pit and M & L for construction of brick masonary valve pit chamber with 100mm thick, PCC 1:4:8 type D2 lean concrete foundation using 40mm graded stone aggregate, providing well burnt brick masonary wall of 23cm thick built in CM 1:6 rendering 15 mm thick in CM 1:6 finished even smooth using extra cement internally and 20mm thick in CM 1:4 and finished fair and even, supply and fix 3.15 mm thick MS sheet steel cover fixed on 50mmx50mmx6mm thick angle iron frame embbeded in PCC coping with locking arrangement and 1 No, 50mm size, 4 levers lock with key in duplicate Standard size and MS hold fast and handle made out of 25 x 6mm flat iron appplying two coats of synthetic enamel paint of approved shade over a coat of red oxide primer to all exposed steel surfaces making good all disturbed surface to match surrounding complete all as specified and directed of size 450mmx450mmx600mm (internal size) complete all as specified and directed.

M &L for Cleaning of RCC Semi under ground Sump/ tank of capacity 50,000 gln using following steps/stages including arrangement of necessary T & P, labour and chemicals all as specified and directed by Engr-In-Charge. (a) Mechanised dewatering (b) sludge removal (c) High pressure cleaning (d) vaccume cleaning (e) Antibacterial spray (f) UV treatment. Note : Following guidelines will be followed while executing works under items (a) The cleaning will be done as per mechanised six stage process of RCC over head tank cleaning and results should be verified by the competent authorities. (b) Water required for the cleaning will be provided by the contractor at his own arrangements (c) The notice for the interruption of water supply will be intimated to the department in advance and efforts will be made by contractor to complete related work within 24 hrs to avoid prolonged breakdown of water supply in effected area. (d) Material and labour for removal of semi-solid/solid sludge extracted during cleaning and their disposal to suitable site are deemed to be included in quoted rate and will not be paid separately.

M &L for Cleaning of RCC over head tank of capacity 30,000 Gln using following steps/stages including arrangement of necessary T & P, labour and chemicals all as specified and directed by Engr-In-Charge. (a) Mechanised dewatering (b) sludge removal (c) High pressure cleaning (d) vaccume cleaning (e) Antibacterial spray (f) UV treatment. Note : Following guidelines will be followed while executing works under items (a) The cleaning will be done as per mechanised six stage process of RCC over head tank cleaning and results should be verified by the competent authorities. (b) Water required for the cleaning will be provided by the contractor at his own arrangements (c) The notice for the interruption of water supply will be intimated to the department in advance and efforts will be made by contractor to complete related work within 24 hrs to avoid prolonged breakdown of water supply in effected area. (d) Material and labour for removal of semi-solid/solid sludge extracted during cleaning and their disposal to suitable site are deemed to be included in quoted rate and will not be paid separately.

M & L for excavation in any type of soil for detection of leakage including breaking of PCC floor/ tiled surface of required area or removing PCC interlocking tiles or any type of flooring complete including returning filling in and removal of surplus mud / soil after taking out leaked water from pit not more than 1.5 m deep and makinggood as per existing, as per day to day external water supply conplaints complete all as specified and directed. Note : Rate is including earth work and all type of GI fitting like bends, elbows, union, sockets, reducer etc. as per site requirement.

Disconnecting and taking out existing centrifugal pump set of any capacity, electric driven 3 phase 415 volt including transporting to workshop and Re-fixing in the same position after repair all as directed by Engineer-in-Charge. Note Spare parts shall be measured and paid seperetlyas per relevent items

M&L, for Rewinding of 3 phase squirrel cage induction motor after disconnecting motor from pump and dismantling the motor, taking down burnt winding wire of field coil and rewinding of field coil for suitable size of super enameled copper winding wire with necessary insulation materials including and necessary connection etc all as specified and directed of the following sizes:-

Supply and fix in repair of following parts for existing centrifugal pump set electric driven 3 phase 415 volt 40/25/15/10/7.5 HP .

Replacement of ball bearing of size as per sample given

Pump motor MS coupling (pump/motor for repair as per ser no 23.00) size as per sample

Replacement of gland coller set complete size as per sample

Cover bolts & washers, neck ring size as per sample

CI impellar suitable for existing 25/30 HP centrifugal pump set. size as per sample

CI impellar suitable for existing 7.5 HP centrifugal pump set.

CI Gland packing chaplla

SS Sleeve (Gland Sleeve)

Pump shaft with studs and nuts for pump body 7.5 HP

Supply and fix in repair fully automatic star delta starter suitable for panel with voltmeter, ammeter and frequency meter digital type complete of following capacity with all as directed by engineer-in-charge(A) motor protection circuit. Make L&T, C&S / Schneider.

For 25/30 HP motor

For 7.5/10 HP motor

Supply and fix single phase preventor, over load protection.

Supply only orthotolidine solution (Laboratory agent) in 500ml pack for testing of chlorine in water all as specified.

Supply only calcium based high strength chlorination chemical for water disinfection in granular form in factory sealed HDPE container (45/50 Kg Each) having chlorine concentration level 70%,make as approved by E-in-C complete.

Spetsnaz2013

Supply of drinking water through tanker/bouser for domestic use including transportation from source to U/G sump / MD Accn / OTM as per site required in Sector 'B' (Harni Area) under GE (Army) Baroda.The water should have the following main factors:- (a) Water should be clear and from all suspended matters both Hyganic & inorganic matter. (b) Water should be free from taste and odour. (c) Water should be colour less and no vegetable stain should be present. (d) Water should be soft that it should not contain dissolved impurties like calcium or magnesium bacarbonate and Sulphates. (e) Water should be soft and shuold be free from all pathogenic organism calcium or magnesium bacarbonate and Sulphates. (f) Tanker/Bouser shall be filled with its full capacity when brought to site. (g) Copy of gate entry at guard room with vehicle No date and time and qty/vaccume submitted duly defaced by Engr-in-Charge before claiming payment. Note:-Water analysis duly tested by authorised lab will be rendered by supplier before supplying the water.

Gayatri Associates