Repair/ maint and improvement of external water supply system of AGE E/M-I under GE Dehradun.

Amount

M&L for excavation in trenches in any type of soil not exceeding 1.5 meter wide and not exceeding 1.5 meter deep in any type of soil including cutting in slopes etc for laying of pipe line including getting out, complete all as specified and directed.

M&L for returning, filling in, including spreading, leveling, watering and well ramming in layers in soft / loose soil not exceeding 25 cm in each layer complete all as specified and directed by Engineer-in-Charge.

M&L for removal of excavated material (Soil) to a distance up to 50 Meter from starting point and depositing where directed at level not exceeding 1.5 Meter above as directed by Engineer-in-Charge.

Dismandling and taking out the existing corroded / scaled PPR pipe with fittings connections from trenches, walls, ceiling or floor and removal from site or disposed off for the following sizes complete all as specifed and directed. Note: Excavation and earth work shall be measured and paid seperately under respective item of schedule "A"

20 mm bore

25 mm bore

40 mm bore

50 mm bore

Supply, Laying, fixing & testing galvanished iron water tubing 'medium grade; ISI marked with and inclduing all GI fittings such as flanges, unions reducers sockets, socket reducing bends , elbows, tee, checkneuts, caps, plugs etc laid in trenches including making good the distrubed surfaces for the following sizes complete all as specifed and directed. Make : TATA/Prakash/Jindal Note: Excavation and earth work shall be measuered and paid seperately under respective item of schedule "A"

20 mm bore

50 mm bore

Fixing only GI pipes to walls/chases/ceilings or laying in floors/trenches 'medium grade; with and inclduing all GI fittings such as flanges, unions reducers sockets, socket reducing bends , elbows, tee, checkneuts, caps, plugs etc laid in trenches including making good the distrubed surfaces for the following sizes complete all as specifed and directed (Note - GI pipe will be issued from MES store under schedule B)

25 mm bore

40 mm bore

Supply, Laying, fixing & testing galvanished iron water tubing 'medium grade; 20 mm bore ISI marked with and inclduing all GI fittings such as flanges, unions reducers sockets, socket reducing bends , elbows, tee, checkneuts, caps, plugs etc fixed to wall, lain in floors complete all as specifed and directed.

Dismantling/taking out defective gate valve any type and S&F for Gun metal gate valve 20 mm bore ISI marked with iron wheel head by screwing/cutting of existing pipe lines for the following size complete all as specifed and directed.

S&F in repair Ball valves 20 mm dia high pressure of PTMT with epoxy coated Aluminium rod & highdensity plastic ball screwed for iron pipe and fixed. (Minimum weight 2 0 mm - 2 1 0 gram) complete all as specified.

Disconnecting & taking out the existing nonfunctional Oil immersed star delta starter of any description, any capacity and in any position, 3 phase, 415 volts, 50 Hz suitable for AC supply submersible pump set upto 75 to 125 HP (MAKE : Jyoti/BCH) & strip opening of Star delta starter, taking out unserviceable/defective wiring & parts, cleaning and servicing complete including replacement of unserviceable parts, replacement of unserviceable wiring with new copper wire cable of existing size, reassembling, fixing in position, making connections and testing complete all as specified and directed by Engineer-in-Charge. Note : Spares parts shall be measured and paid for seperately.

All as per item No 10 here-in-above but of capacity 15 HP to 50 HP

Supply only Calcium Hypo Chlorite having 65%-70% Chlorine Content (Calcium based granular disinfectant) for general water treatment & swimming pool water treatment, in factory sealed container/drum (45 kg packing), complete all as specified and directed. Make : Royalseema/ Declibac Calcium Hypochlorite detailed specifications : (a) Chemical analysis & physical observations : Description : Whitish granules Granular size (Mesh passing through - 100 BSS): 1.1(+ 0.1)% Water/moisture : < 5.00% Mercury & other Heavy Metal contaminants : BDL. (b) Strength in terms of quantity of chlorination chemical required to obtain free chlorine of 1 ppm per lakh liters of water: Requirement must be 140-200 gm per one lakh liter of water to achieve 1 ppm Average at injection point (site & raw water quality variations may apply additionally).

Supply of stable bleaching powder Grade – I conforming to IS-1065/1989 (IInd Revision) as amended upto date having available chlorine contents minimum 34% by mass and packed in 25 Kg polythene bag having double fold complete all as specified and directed by Engineer-in-Charge and as per following specifications:- Make : Grasim/Shriram Bleaching powder (Calcium Hypo Chloride), Chlorine formula : Ca (OCl)2 Molecular weight : 142.96, Physical Appearance : white fine powder, Chlorine content :- 30 % ± 1%, Moisture : 0.5 % Max On heating at 10 ± 2°C it dose not lose more than 1/15 of available chlorine Passing through 1.7mm sieve : 99%

Supply of Alum Ferric Sulphate (Grade-4) (best quality as per sample) for purification of water (containing lead (as PB) 30 ppm max and arsenic 6ppm max) confirming to IS-299/2012 (Revised) as amended up-to-date complete all as specified and directed by Engineer-in-Charge. (Note:- The Alumino Ferric Sulphate shall be supplied in superior quality Bricks (Slabs) as per IS specifications.

Supply only lime of superior quality complete all as specified and directed.

Supply of Poly Aluminum Chloride AC-100S powder inorganic soluble polymer powder effective in both high and low turbidity for rapid and better floc formation with much lower dosing rates, less sludge rates, less sludge generation, less PH reduction in factory sealed container/ plastic bag of 25 Kg each, complete all as specified and directed.

M&L for Brickwork with subclass 'B' bricks, old size straight or curved on plan exc '6m mean radius built in cement mortar 1:4 as foundation for fire fighting shed complete all as specified and directed

M&L for rendering 10 mm thick on fair faces of brick work or concrete surface in cement mortar 1:4 finished even and smooth complete all as specified and directed.

S&F in replacement prepainted galvalume aluminium zinc coated GI based corrugated steel sheet 0.50 mm thick of an colour having tensile strengthn of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and directed.

M&L for painting of different sizes connecting pipes Valve pit chamber covers, rolling shutters, MS pipe, pump set and its related items including writing letters on pump motors etc at various installations as per colour code with one coat of primer and two coat of synthetic enamelled paint all as specified and directed.

Material and labour for any type of structural steel sections , nut- bolt, washers, sheets, back plate, xpm mesh, wire mesh, bending, cutting in shape, welding, drilling holes, MS flanges including painting with two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.

M&L for cement concrete 1:2:4 type B1 using (20 mm graded stone aggregate) as in mass concrete (for pump set foundation etc) and similar work including necessary form work finished even and smooth complete all as specified and directed.

S&F in replacement display board for plants/equipments of size 2000 mm x 1000 mm Flex sheet duly background in blue and matter in white colour fixed on MS frame alongwith necessary fixing arrangements for water supply installation as per sample

S&F in replacement display board for water supply distribution network skematic diagram of size 2000 mm x 1000 mm Flex sheet duly background in blue and matter in white colour fixed on MS frame alongwith necessary fixing arrangements for water supply installation as per sample

Taking up or down PVC pipe including fittings from trenches, including removing from site of 160 mm bore complete all as specified and directed.

Supply & fixing high density polyethylene pipe (HDPE) 160 mm bore of presure rarting PE 100 PN 10 as per IS 4984-2016 Black colour complete with all fittings required at site Note : (i) Cost of the all jointing material & fittings such as Tee, Bend, Socket etc are included in the cost of item rate.

A N BUILDERS

VIJAY ENTERPRISES

venus engineers

D.K. ENTERPRISES

Bhanu Prakash

Meher enterprises

M R Taders

M/s Anamika Enterprises

M/s Vinod Singh Negi