REPAIR AND MAINTENANCE OF PIPE LINES AND OTHER EXTERNAL WATER SUPPLY SERVICES AT AFS HAKIMPET UNDER GE(AF) HAKIMPET

Amount

Excavation in trenches not exc 1.5 wide and not exc 1.5 mtr deep and getting out in hard /dense soil for laying pipes complete all as specified .

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

Removal of excavated material to a distance not exc 50 mtr away from starting point and depositing where directed at a level not exc 1.5 mtr above the starting point complete all as specified and directed .

Material and labour for cutting of road / hard standing not exc . 1.5 mtr wide and not exc. 1.5 mtr deep for laying and taking out water pipe line including making good the disturbed portion as per existing earlier complete all as specified and directed .

Supply and laying in replacement of DI pipe spigot and socket ends class 'K-7'suitable in replacement of CI Pipes for tyton joint or any length properly laid in trenches all as specified and directed by Engr-In-Charge of following sizes:- Make - Srikalahasti/Electrosteel/Kesoram/TISCO

300mm dia pipe

200mm dia pipe

150mm dia pipe

100mm dia pipe

Note:- Lead joint and Tyton joint will be measured and paid seperately under respective items of sch.

Labour only for taking out sluice valve any make and size including re- facing , replacement of check nuts , spindles , re- grinding of shutter and re - fixing the same including providing rubber insertion sheet , gland packing rope , nuts , bolts and washers etc to make the sluice valve leak proof and free. operational all as specified and directed for the following sizes .

80 mm dia

100 mm dia

150 mm dia

200 mm dia

Note -1 :- Spindle and check nut will be measured and paid seperately. Note -2 :- Rate of rubber insertion sheet,nut,bolts,washers etc will deemed to be included in the item.

Supply and fix in repair CI sluice valve flanged of class PN 1.6 conforming to IS - 780 complete with iron wheel head , stainless steel spindle and check nut , including jointing material such as rubber insertion nut bolts washers etc complete ,of following size : Make - Kirloskar/Kartar/Leader

80 mm dia pipe

100 mm dia pipe

150 mm dia pipe

200 mm dia pipe

300 mm dia pipe

Material and Labour for fixing Sluice Valve spindle with check nut (High tension Brass) of PN 1.6 for the following sizes:-

150mm dia

100mm dia

80mm dia

Taking down UNSV NRV of any description and Supply and fix CI Non - Return Valves PN 1.6, ISI marked , heavy duty , flanged type complete all as specified and directed for the following sizes. Make - Kirloskar/Kartar/Leader

50 mm dia pipe

80 mm dia pipe

100 mm dia pipe

150mm dia pipe

Supply and fix in repair Air Release Valve PN 1.6 with double chamber conforming to IS - 14845 including all connecting items etc complete,of following size : Make - Durga/Venus/Leader/Kirloskar

150mm dia

100mm dia

80mm dia

Taking down UNSV Foot Valve of any description and Supply and fix Foot valves ISI marked of cast iron with brass diaphragm heavy duty screwing type complete of the following sizes . Make-Kirloskar/Kartar/Leader

80 mm dia pipe

100 mm dia pipe

150 mm dia pipe

Material and labour caulking to the existing run lead joint complete to make it leak proof including lead wool all as specified and directed for the following sizes .

80 mm dia pipe

100 mm dia pipe

150 mm dia pipe

200 mm dia pipe

Note : - Earth work and excavation will be measured and paid separately.

Material and Labour for run lead joints complete including jointing material such as spun yarn, pig lead all as specified for the CI pipe of following sizes all as specified and directed.

300 mm dia

200mm dia

150mm dia

100mm dia

M&L Rubber gasket Joint (Tyton Joint) suitable for DI/CI pipe of following sizes all as specified and directed.

150mm dia pipe

100mm dia pipe

Supply and fix CI fitting for spigot socketed pipe such as bends ( any type , radius and angle ) tapers any type , (straight , bend increasing , decreasing or double socket etc ) tee pieces single branch , Y junction double branch , of size - up to 150 mm dia all as specified and directed.

Cutting of DI/CI/GI mains in position for insertion of new tees, tail pieces , sluice valve etc for following sizes all as specified and directed.

200 mm dia pipe

150 mm dia pipe

100 mm dia pipe

Labour only steel tubing medium grade 80mm dia pipe complete all as specified and directed. Note : - GI Tubing will be supplied by the department under Schedule-B. Earth work and excavation will be measured and paid separately.

Supply and Lay in repairs for Galvanized Iron water tubing " Medium Grade" with all fittings laid in trenches for following sizes Complete all as specified and directed. Make - Jindal/Tata/Zenith

15 mm dia pipe

20 mm dia pipe

25 mm dia pipe

40 mm dia pipe

50 mm dia pipe

Supply and fix in repair Gun metal globe or gate valve ISI marked high pressure with iron wheel head screwed both ends for iron pipe line and fixed of properly of following sizes . Make - Zoloto/Kartar/Venus

15 mm dia pipe

20 mm dia pipe

25 mm dia pipe

40 mm dia pipe

50 mm dia pipe

Repair of valve chamber including necessary PCC and plastering , fixing of hold fast hinged and angle frame with MS sheet cover 3mm thick of valve pit of size 750mm x750mm x 750mm. Complete all as specified and directed.

Demolition of valve chamber of any description and size and removing demolished material to a distance exc 1.5 km and not exc 5 km and depositing where directed.

M & L for construction of valve chamber of following internal sizes with 100 mm thick PCC (1:4:8 ) type D-2 for foundation , brick walls built in cement mortor (1:4 ) , PCC 1:2:4 type B1 for coping , rendering in cement mortor 1:4 , 15 mm thick both internally and externally upto 15 cm below GL including provision of MS sheet cover using angle iron 40 x40 x6 mm as a frame embedded in concrete and 3 mm thick MS sheet as in cover with necessary locking arrangements duly painted with two coats of synthetic enamel paint over a coat of red oxide primer including necessary earth work and excavation complete.

750mm x 750mm x 750mm

1050mm x 1050mm x 1050mm

Supply only Calcium based Chlorine granuals disinfectant for water treatment in 45 kg plastic drums having concentration of clorine 60% to 70% complete all as specified and directed. Make : All Makes approved by E-in-C Branch.

Supply and laying of 3-layer PP-R Polypropylene random copo-lymer) concealed pipes SDR 7.4 (PN16) UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply all PP-R plain & brass threaded polypropylene random fittings laid in trenches complete all as specified and directed for following sizes

110mm dia

63 mm dia

32 mm dia

Material & labour for earthing with Galvanised Steel earth plate electrode 60cm x 60cm x 6mm thick buried directly in ground vertically at a depth not less than 2.25metre below normal ground level with top edge of earth plate at a depth not less than 1.5 metre below normal ground level, earth plate surrounded from all sides by 15cm thick packed layer of charcoal dust and common salt filling in alternate layers and electrode connections by using Galvanised Iron wire of 32X6 mmas earthing lead (upto the body of the equipment) by means of bolts, nuts, check nuts and washers made of galvanised iron and thimbles and protected by light grade 40mm dia GI pipe connected to main switch board or main control board and GI pipe light grade 20mm bore for watering and including funnel , wire mesh , RCC pit cover and PCC chamber pit with PCC (1:3:6) type C-2 using 40mm graded stone aggregate, including excavation and earth work in any type of soil , returning , filling in approved soil and disposal of surplus soil to a distance not exceeding 50m all as specified and shown in electrical plate No 5 of SSR 1991(Part-I) complete all as specified and as directed by Engineer-in-charge.

Supply of Chlorination kit alongwith all necessary items complete complete in one metal box mounted on wall where directed all as specified and directed.

Supply of First Aid Box Kit alongwith all necessary items complete in one metal box mounted on wall where directed and all as specified and directed.

Testing of chemical & Bacteriological quality of treated water of following parameters from state public health laboratory or NABL accredited laboratory. (a) PH value (b) Suspeded solids (c) Total dissolved solids (d) C.O.D (e) BOD (f) Oil & Grease (g) FC (h) Total N

Supply and replacement of pressure gauge (water) range -0-20 Kg/cm² complete all as directed.

Dismantling and taking out defective unserviceable butterfly valve and replacement with new butterfly valve 65 mm bore incl. jointing with MS nuts, bolts packing, minor adjustment complete all as specified and directed

Dismantling and taking out defective unserviceable butterfly valve and replacement with new butterfly valve 80 mm bore incl. jointing with MS nuts, bolts packing, minor adjustment complete all as specified and directed

Dismantling and taking out defective unserviceable butterfly valve and replacement with new butterfly valve 100 mm bore incl. jointing with MS nuts, bolts packing, minor adjustment complete all as specified and directed

Supply and fix in replacement LED street light fitting 45 watts with built in electronic driver and LEDs housed in pressure die cast aluminium housing with toughened glass and silicon gasket for IP66 degree of protection including GI pipe bracket made up of 25mm dia medium grade GI pipe of length 1.50m bent to required shape and fixing on steel tubular round poles with suitable MS clamps(02Nos) made up of 40mmx5mm MS flat, nuts, bolts and washers including taking down existing street light fitting of any description complete all as directed.

Supply and fix in replacement Post Top LED light fitting 25 watts with electronic driver and LED lamps housed in die cast aluminium housing having IP65 degree of protection including taking down existing post top lantern of any description complete all as directed.

Supply and fix LED flood light fitting 100 Watt with electronic driver and LED lamp, Die cast aluminium housing IP-66 protection enclosure including taking down existing flood light of any description complete all as directed.

Taking out centrifugal pump incl. electric motor 3/5 HP ,3 phase ,415 Volts after ,disconnecting the electric connection. Dismantling the motor .Cutting the burnt winding and cleaning the slots with non greasy materials and rewinding with super enameled copper wire (Gauge of copper is to match the existing size) with insulating material, varnishing complete. Reassembling the motor, repair and overhauling of pumps, replacement of bearing,grinding , polishing of impeller, neckring ,greasing complete all as directed , and making electric connection and testing complete to entire satisfaction of Engr-in-charge

Taking out centrifugal pump incl. electric motor 10 HP ,3 phase ,415 Volts after ,disconnecting the electric connection. Dismantling the motor .Cutting the burnt winding and cleaning the slots with non greasy materials and rewinding with super enameled copper wire (Gauge of copper is to match the existing size) with insulating material, varnishing complete. Reassembling the motor, repair and overhauling of pumps, replacement of bearing,grinding , polishing of impeller, neckring ,greasing complete all as directed , and making electric connection and testing complete to entire satisfaction of Engr-in-charge

Taking out centrifugal pump incl. electric motor 30 HP ,3 phase ,415 Volts after ,disconnecting the electric connection. Dismantling the motor .Cutting the burnt winding and cleaning the slots with non greasy materials and rewinding with super enameled copper wire (Gauge of copper is to match the existing size) with insulating material, varnishing complete. Reassembling the motor, repair and overhauling of pumps, replacement of bearing,grinding , polishing of impeller, neckring ,greasing complete all as directed , and making electric connection and testing complete to entire satisfaction of Engr-in-charge

Material and labour for CI D/F Strainer ‘Y’ Type with SS mesh for 300 mm dia pipe main incoming from HMWSSB inlet including all necessary accessories required at site complete all as specified and directed

MS ENTERPRISES

Haasith constructions

BV SAYANNA SONS