REPAIR / REPLACEMENT OF WATER SUPPLY PIPE LINES AND MISC WORKS OF INSTALLATION AT OUTRAM LINE AREA UNDER AOR OF GE (ARMY) VADODARA

Amount

Excavation in trenches not exc 1.5m wide & not exc 1.5m in depth for foundation or for laying / taking out of CI /GI pipe line and getting out in soft / loose soil.

Returning, filling in trenches including spreading, leveling watering and well ramming in layers not exceeding 25cm in soil.

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

M & L for taking up CI/DI pipe line from trenches and Refixing / laying of old CI/DI pipe and fittings in new or old position including burning of lead joint, removing of lead, new tightening rubber ring complete all as directed by Engr-in-Charge.

150 mm bore

100 mm bore

M&L, for taking up CI/DI pipe line from trench and Supply, laying, connecting, jointing and testing ductile iron pressure pipe ISI maked , IS-8329-2000 Reaffirmed - 2005 Edition 4.1 suitable for "push on joints" in standard working lengths supplied with rubber gasket duly ISI marked for water supply, class K-7 with socket and with cement mortar lining inside the metalic zinc coating with finishing layer of bituminous paint on outside the pipe without polythelene sleeves but including "Push on joint" supplied with ISI marked EPDM rubber gasket conforming to IS-5382-1985 (Reaffirmed - 2003) with dual hardness of type -2 (bulb) and type -5 (Heel) quality laid in trenches size is as following. complete all as specified and directed. Make :- Electrosteel/Tata/Jindal.

DI Pipe of 150 mm Bore

DI Pipe of 100 mm Bore

Taking up GI pipe line from trench and Refixing / laying of old GI pipe with replacement of all fittings in new or old position complete all as directed by Engr-in-Charge.

80 mm bore

Taking up GI pipe line from trench and Supply and laying of GI pipe medium grade with all fittings complete all as directed by Engr-in-Charge.

80 mm bore

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

M & L for Taking up GI pipe steel tubing from trench/walls and S & F to wall/trenches of GI steel tubing medium grade including all fittings such as Tees, elbow, bends etc for following bore of pipe complete all as specified , (Note when pipe laid in straight line then the 3rd length is required to be connected by union).

50 mm bore

25 mm bore

20 mm bore

Taking up GI pipe steel tubing from trench/walls and relaying only GI pipe including cutting the same from both ends minimum 15 cm & rethreading the pipe and replacement of GI fittings all as specified and directed:-

50 mm bore

25 mm bore

20 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.

Cutting 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 in repair sluice valve cast iron 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

80 mm bore

S & F in repair Gun metal gate valve iron wheel head screwed both ends for GI steel tubing suitable for following bore of pipe Make Sant/ Zoloto/ Leader

50 mm bore

25 mm bore

20 mm bore

Supply and fix PVC foot valve ball 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

Dismantling 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 externally 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 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) Machinery 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) Machinery 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.

Labour only 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 and including M&L for making good the surface to match with existing after rectification of pipe from leakage,depth of line not exc 1.5 m complete all as directed.

Supply and fix in repair for three phase line protector to safe guard motor load with the features of single phasing protection, high & low voltage shut down over load protection auto phase correction (APC) facility etc and by pass facility for emergency use. Make :Sinetrac/L&T or its equivalent.

M & L for preparation/cleaning of old painted steel surfaces of any description and applying one coat of synthetic enamel paint including electric motor pumps diesel engine driven pump set base plate its foundation including suction/deliver CI Pipe line upto ground level and writing of SM No.etc all as per colour code or as directed.

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 seperately at 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 having discharge.

Ball bearing of size as per sample given

Pump motor MS coupling (pump/motor for repair as per ser no 22.00)

Replacement of gland coller set complete

Cover bolts & washers, neck ring

CI impellar suitable for existing 7.5 HP centrifugal pump set.

CI impellar suitable for existing 10 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 40 HP motor

For 10 HP motor

Supply and fix single phase preventor, over load protection.

Supply and fixing rubber Sheet 3 mm thick used for packing in sluice valve/pumps etc , NRV and flanged joint all as specified and directed by Engr-In-Charge.

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

Gayatri Associates

City Light