REPAIR/MAINTENCE OF WATER SUPPLY DISTRIBUTION NETWORK AND ALLIED WORKS AT ZONE A B AND D AREA UNDER GE CHENNAI

Amount

BOQ UPLOADED ON Dec 2022

Earthwork in excavation by mechanical means (hydraulic excavator) in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5m, including getting out in any type of soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm in any type of soil complete all as specified and as directed.

Removing excavated soil not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

Taking up cast iron water mains (including all fittings), with spigot and socket ends and lead joints including burning out joints and recovering lead, from trenches and removal from site under Sch of credit of the following bore of pipe complete all as specified and as directed.

Earthwork as required shall be measured and paid for separately.

80 mm Bore of pipe

100mm bore of pipe.

Taking up / down water mains of galvanised iron tubing including all fittings from trenches / walls / roof / floor etc., and removal from site under Sch of credit of the following bore of pipe complete all as specified and as directed.

Earthwork as required shall be measured and paid for separately.

15mm bore of pipe.

20mm bore of pipe.

25mm bore of pipe.

40mm bore of pipe.

50mm bore of pipe.

80mm bore of pipe.

100mm bore of pipe.

Supply, laying and jointing cast iron pipes, centrifugally cast, class LA, conforming to IS-1536 of 2001 in any length laid in trenches or on supports including making alteration in existing/ new pipe line for insertion of new pipe, if necessary laid in trenches of the following bore of pipes complete all as specified and as directed.

Earthwork as required shall be measured and paid separately.

CI specials and lead joints as required shall be measured and paid for separately.

80mm bore of pipe.

100mm bore of pipe.

Cast iron fittings 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, cross (all sockets or socket and spigot) collars, caps and plugs as required, suitable for cast iron / ductile iron pipes upto 150mm bore of pipe, (flanged / socket) complete all as specified and as directed

Material and labour for steel work for frame work and jali complete with welding and nut, bolts washers and necessary fabrication work and similar items including taking down the existing unserviceable items and painting new surface with two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.

Material and labour for Plain cement concrete (1:3:6) type C-1 using 20mm graded stone aggregate as in mass concrete in making good to damaged portion of road/ hardstanding complete all as specified and as directed.

Supply, laying, jointing and testing galvanised steel water tubing medium grade including provision of all pipe fittings such as bends, tees, elbows, reducers, unions, plugs, sockets etc. laid in trenches, fixed to walls or laid in floors etc. complete all as specified and directed. of the following bore of pipes complete all as specified and as directed.

Earthwork as required shall be measured and paid for separately.

15mm bore of pipe.

20mm bore of pipe.

25mm bore of pipe.

40mm bore of pipe.

50mm bore of pipe.

80mm bore of pipe.

100mm bore of pipe.

Ductile iron pipes, spigot and socket joints of "K-7" class laid in trenches of the following bore of pipes including taking down old pipe complete all as specified and as directed.

Earthwork as required shall be measured and paid or separately.

CI specials and lead joints as required shall be measured and paid for separately.

80mm bore of pipe.

100mm bore of pipe.

Supply, laying, jointing and testing HDPE pipe of pressure rating 6Kg with socket joints with all fittings/ fixtures like bends, sockets, etc laid in trenches, making alterations in existing/ new pipes as required complete all as specified and as directed. including taking down unserviceable HDPE pipe complete for following bore of pipes

75/80mm bore

100/110mm bore

M&L detection of leakage in 80mm bore CI/ DI water main by necessary excavation in any type of soil in any situation including bailing out leakage water by suitable means, repairs to pipe line by burning lead joint occuring at site including cutting, threading for addition/ alteration for insertion of fittings including necessary joints complete all as specified and directed.

All as per item No above but 100 mm bore pipe

All as per item No above but 150 mm bore pipe

M&L detection of leakage in 40mm/ 50mm bore GI water main by necessary excavation in any type of soil in any situation including bailing out leakage water by suitable means including cutting, threading for addition/ alteration for insertion of fittings complete all as specified and directed.

All as per item No above but 80 mm bore pipe

All as per item No above but 100 mm bore pipe

M&L detection of leakage in 80mm dia HDPE water main by necessary excavation in any type of soil in any situation including bailing out leakage water by suitable means including repair to pipe line by cutting and jointing/ inserting piece of pipe with necessary fittings complete all as specified and directed.

All as per item No above but 110 mm/150 mm/160mm bore pipe

M&L for flanged end joints for 80mm bore CI pipes with rubber or fibre board gasket of proper thickness including provision of nuts, bolts of suitable size and testing after completion complete all as specified and directed.

All as per item No above but 100 mm bore pipe

All as per item No above but 150 mm bore pipe

Dismantling and taking up unserviceable sluice valve and removal from site under Sch of credit and provision of Cast iron sluice valve with flanged ends drilled with holes, Class PN 1.6, ISI marked (conforming to IS 14846) with stainless steel (AISI 410) non rising spindle, gun metal working parts with hand wheel and checknut, rubber gasket 3mm thick, mild steel nut, bolts and washers, necessary machining works of the following bore of pipe complete all as specified and as directed.

80mm bore of pipe.

100mm bore of pipe.

150mm bore of pipe.

Dismantling and taking up unserviceable Gun metal Globe or gate valve and removal from site under Sch of credit and provision of Gun metal Globe or gate valve confirming to IS 778-1984 with iron wheel head, screwed both ends for the following bore of pipe with all fittings/ fixtures like nipple, union etc complete all as specified and as directed.

15mm bore of pipe.

20mm bore of pipe.

25mm bore of pipe.

40mm bore of pipe.

50mm bore of pipe.

Dismantling and opening up in situ of Cast iron sluice valve, and removing old worn out spindle, check nut, gasket, gland rope, mild steel nut, bolts and washers, taken on Sch of credit and replacing the same with new suitable parts, with necessary machining works assembling back and testing for proper function for the following bore of pipe complete all as specified and as directed.

80mm bore of pipe.

100mm bore of pipe.

150mm bore of pipe.

Testing of water samples (Raw and Treated ) for physical examination and chemical exmaination full test from TWADA/ Govt. approved laboratory complete as directed.

M&L construction of brick masonry valve pit chamber of inner dimension 900mm x 900mm x 1050mm suitable for valves upto 200mm size including 150mm thick PCC (1:4:8) type D-2 for foundation, 230 mmm thickbrick work in cement mortar (1:6), 15mm thick internal rendering in cement mortat (1:4) mixed with water proofing compound, 50mm thick coping in PCC (1:2:4) type B-1, including necessary excavation and earth work including provision of MS sheet cover of thickness not less than 2.80mm on 50mm x 50mm x 6.0mm angle iron frame with locking arrangement, including painting MS surfaces with two coats of synthetic enamel paint over one coat of red oxide primer including demolition of old damaged valve pit complete all as specified and directed.

M&L for fabrication and replacement of cover for valve pit of inner dimensions 750mm x 750mm fabricated out of MS sheet of thickness 2.00mm with frame fabricated out of 50mm x 50mm x 6.0mm thick angle iron with locking arrangement including painting MS surfaces with two coats of synthetic enamel paint over one coat of red oxide primer including repair to brick work which are damaged while removing/fixing of frame of cover as required complete all as specified and directed.

All as per item No. above but for valve pit of inner dimensions 1000mm x 1000mm.

Surface dressing n. exc. 15cm deep and getting out in soft/ loose soil including cutting of grass vegetation around pump house and removing excavated material (soil) and rubbish out side MD land complete all as specified and directed.

EVEREST ENGINEERING WORKS

M/s.Sai Agency

G.L.THIRUMALAI NAIDU AND COMPANY