REPAIR/ MAINT OF EXTERNAL WATER SUPPLY IN TXR AND TECHNICAL AREA AT AF STN SONEGAON, NAGPUR

Amount

Excavation in trenches not exc 1.5 metre wide and not exc 1.5 metre in depth and getting out in soft/loose soil for laying of cable all as specified and directed.

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

Removal of excavated materials to a distance not exceeding 50 mtrs and depositing where directed at a level not exceeding 1.5 mtr above the starting point all as specified and directed.

Taking up or down GI steel tubing and connection including fittings cleaning for refixing complete all as specified and as directed for the following sizes :-

20mm bore

25mm bore

40mm bore

50mm bore

80mm bore

Refixing/ laying &Testing of steel tubing medium grade with all fittings and fixed complete to walls and ceiling or laid in floors / trenches complete all as specified for the following sizes :-

20mm bore

25mm bore

40mm bore

50mm bore

80mm bore

Supply and laying of GI tubing medium grade with all fittings including cutting for branch line & making threads complete fixed to wall/flooring /ceiling etc or laid in trenches all as specified.

20mm bore

25mm bore

40mm bore

50mm bore

80mm bore

Supply and fix in repairs gun metal globe or gate valves with iron wheel head screwed both ends for GI pipe all as specified for the following sizes.

20mm bore

25mm bore

40mm bore

50mm bore

Supply and fix in repairs Ball brass valves,high pressure with polythene float and flynut complete, screwed for iron complete pipe or brass ferrule and fix to inlet of delivery main of water storage tank all as specified for the following sizes:-

15mm bore

20mm bore

25mm bore

Taking down carefully damaged CI pipe from trenches after burning out lead for repair / replacement and removing material all as specified for the following sizes.

150 mm dia bore

80 mm dia bore

Relaying only CI pipes after replacement broken / cracked pipes etc complete all as specified and directed for the following sizes.

150 mm bore

80 mm dia bore

Supply and lay in trenches cast iron pipe centrifugally cast spigot and socketed ends class LA for repair/ replacement in the pipe line complete all as directed and as specified. Note;- Lead joints shall be measured and paid seperately.

150 mm dia bore

80 mm dia bore

M & L for run lead joint for 150mm bore complete all as directed and as specified.

M & L for run lead joint for 80mm bore complete all as directed and as specified.

M&L for CI fittings any type such as bends( any type radius and angles) reducers, Tees ,Y pieces , collars, caps, plugs and straight connecting pieces upto 150mm bore complete all as directed and as specified.

Taking down valves/meter chamber cover complete with frame from the existing location and removing to store for safe custody for reuse or for issue under sch of credit complete all as directed and as specified.

M& L for Framed brackets of angles or tees with web and flanges cut to shape, drilled and countersunk for screw, including bending and welding angles, as necessary, gusset plates, riveting, etc.. n exc 10 kg each brackets, conforming to Fe.290.Gde-E-165 (Brackets over 10 kg each to be measured under 'Structural Steel') complete all as specified and directed.

Taking down existing sluice valve with flanged end cast iron body including repair/renewal of spare parts valve spindle,spindle nut,caps ,gland rope,gland studs,rubber gasket during process of repairing & same fixed on existing line complete all as directed and as specified.

200 mm bore

100 mm bore

80 mm bore

S & F in repairs sluice valve 1.6PN size 100mm (4") dia suitable for existing main CI pipe line at Pump house complete all as directed and as specified.

M&L for Over-hauling of pump set (submersible pump set)coupled with 5HP three phase motor squirrel cage type by means of opening & replacing of impeller, bearings , bushes ,gaskets, unserviceable nuts, bolts ,washers including assembling, coupling with motor & testing complete all as directed and as specified.

M&L for Over-hauling of pump set (submersible pump set)coupled with 7.5HP three phase motor squirrel cage type by means of opening & replacing of impeller, bearings , bushes ,gaskets, unserviceable nuts, bolts ,washers including assembling,coupling with motor & testing complete all as directed and as specified.

Demolition of damaged portion of brick masonry, PCC coping pits of valve chambers and removing from site for disposal more than 50 mtr where directed by Engineer-in-charge. complete all as directed and as specified.

M&L for brick masonry with sub class B old size bricks exc 6 meter mean radius in cement mortar 1:6 complete all as directed and as specified.

M&L for PCC (1:2:4) type B-1 using 20mm graded stone aggregate set in CM 1:6 as in coping, kerbs, channels, water troughs and the like including weathering, slightly rounded or chamfered angles and throating etc. complete all as specified and directed.

M&L for rendering with 15 mm thick in cement mortar 1:4 on fair surfaces of brick work or concrete surfaces finished even and smooth without using extra cement complete all as directed and as specified.

S & F in Repairs of DOL starter of 5HP/7.5HP including relays,contactor etc after taking down removing all electric connection and fitted the same to its original position complete all as directed.

S & F in Repairs unserviceable foot valve from UG sump by means of opening of existing 50mm bore GI tubing and lowering in sump after replacing foot valve and make good priming system complete all as directed and as specified.

All as per Item No 25 here in before but 80mm bore

M& L for cleaning & removing all scale & dirt with wire brush etc,from tanks & from mouths of circulating pipes ,etc capacity upto 250ltrs. complete all as directed and as specified.

M& L for cleaning & removing all scale & dirt with wire brush etc,from tanks & from mouths of circulating pipes ,etc capacity 250ltrs to 500ltrs complete all as directed and as specified.

M& L for cleaning & removing all scale & dirt with wire brush etc, from tanks & from mouths of circulating pipes ,etc capacity 500ltrs to 1000lts complete all as directed and as specified.

S&F in repair rotational moulded polyethylene water storage tanks (Cylindrical vertical with closed Top) hoisted and fixed in position all as specified in SSR Part I, 500 Litres capacity complete all as specified and directed.

S & F in repair Rotational moulded polyethylene water storage tanks (cylinderical vertical with closed top) hoisted & fixed in position all as specified with capacity 1000ltr complete all as specified and directed.

Supply only bleaching powder 25kg (bag) all as specified

Supply only Orthodoline solution 500ml with PPM testing kit as per sample all as specified

Cleaning of UG Sump of capacity 10,000 glns (on accessible/inaccessible roofs) by removing all scale, dirt , mud, any foreign material and removing accumulated silt, other dirty substance, algae, fungus and other bacterial material from sides/bottom of sump with wire brush & cleaning to be done by draining / pumping out water / sludges from bottom removing edges and another growths from wall / floor/ roof by high pressure cleaning method with jet set and again cleaning the tank with fresh water,disinfecting by using UV radiator and approved chemical (chloriten) removing the existing letters/figures complete and writing date of cleaning, next due date of cleaning on black back ground complete all as specified and directed.

All as per Item No 34 here in before but of capacity 25,000 glns complete all as specified and directed.

Cleaning of Over Head Sump of capacity 67500 Ltrs (on accessible/inaccessible roofs) by removing all scale, dirt , mud, any foreign material and removing accumulated silt, other dirty substance, algae, fungus and other bacterial material from sides/bottom of sump with wire brush&cleaning to be done by draining / pumping out water / sludges from bottom removing edges and another growths from wall / floor/ roof by high pressure cleaning method with jet set and again cleaning the tank with fresh water,disinfecting by using UV radiator and approved chemical (chloriten), cleaning / removing the existing letters/figures complete and writing date of cleaning, next due date of cleaning on black back ground complete all as specified and directed.

All as per Item No 36 here in before but of capacity 45,000 litres complete all as specified and directed.

Cleaning of SWT (Static water tank) UG Sump of Fire section of capacity 20,000 glns (on accessible/inaccessible roofs) by removing all scale, dirt , mud, any foreign material and removing accumulated silt, other dirty substance, algae, fungus and other bacterial material from sides/bottom of sump with wire brush&cleaning to be done by draining / pumping out water / sludges from bottom removing edges and another growths from wall / floor/ roof by high pressure cleaning method with jet set and again cleaning the tank with fresh water,disinfecting by using UV radiator and approved chemical (chloriten), cleaning / removing the existing letters/figures complete and writing date of cleaning, next due date of cleaning on black back ground complete all as specified and directed.

S&F Plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, without any attachment. Fe 410-w (Gde-E-250)quality A complete all as specified and directed.

M&L preparation of new steel surfaces of any description not otherwise described over 10cm girth or width and applying two coat of synthetic enamel paint over one coat of red oxide primer complete all as specified and directed.

S & F 100mm AC vent pipe with AC cowl of height 1.2m from top of slab and the cowl to be protected with mosquito proof wire net and fixed complete all as specified and directed

M&L for preparation of old decorated plastered surfaces of walls including brooming down or by steel wire brushing, scrapping down smoke soot, moss and efflorescent salts and trading oil & greasy spots and applying one coat of cement based paint complete all as specified and directed.

M&L for preparation of old decorated plastered surfaces of slab/ceiling of under ground sump including brooming down or by steel wire brushing, scrapping down smoke soot, moss and efflorescent salts and trading oil & greasy spots and applying one coat of cement based paint complete all as specified and directed.

chronicle enterprises (BID ID -3140429)