REPAIR MAINTENANCE OF CHLORINE DOSING SYSTEM INCLUDING CHEMICALS AND MISC REPAIRS AT LHS OF NAVAL DOCKYARD UNDER GE (NW) KUNJALI 2nd CALL

Amount

Supply, installation, testing & commissioning of Reciprocating dosing pump, high pressure, single head, gear motored adjustable dosing pump having output of 2 U.S. GPD to 40 U.S. GPD and adjustable high pressure of up to 100 PSI with accessories including lead , tubing, connection nuts, injection check valve, clay weight and ferrules and 100 litres FRP tank with lid & Level gauge along with Agitator and shaft & blade in plastic mounted on tank. The agitator motor must possess following specifications: Voltage input 230V, Single phage, 50HZ, 900 RPM of suitable capacity. The accessories in the dosing system must consist of the following a) Preparation tank: i) Water inlet line ii) Outlet with strainer iii) Drain, iv) Overflow v) Conical bottom for sludge disposal vi) Port whole with cover vii) Level gauge viii) Agitator:120watts, 900 rmp, single phase flange mounted motor with plastic shaft & impeller b) Service Tank: i) Water inlet, ii) Dosing Pump mounting provision on lid / wall iii) Drain, iv) Overflow v) Level Gauge, vi) Inspection Port Note: The work shall be executed by specialist agency as approved by GE.

Excavation in trenches not exceeding 1.5 mtr wide not exceeding 1.5 mtr in depth and getting out in soft/loose soil complete all as specified and directed

Returning filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cms in any type of soil complete all as specified and directed Note : For item No 02 and 03 above:- Rate deemed to be included for earth work and form work required as per site requirement

Demolition of cement concrete (unreinforced) in ground floors and pavings n.exc 15 cm thickness (below or above ground level) and debris out side MD land complete all as specified and directed

M&L cement concrete 1:2:4, type B-2 (using 40 mm graded stone aggregate) as in support of CI pipes, foundation and hardstanding finishing even and fair without using extra cement complete all as specified and directed

Removing excavated material and depositing where directed outside MoD land complete all as specified and directed

M & L for CI specials conforming to IS - 1538, spigot /socket or flanged fitting ie bend, tee, collar, flanged/ socket /spigot, Tappers and tails pieces etc suitable for 100/150/200/250/300 mm bore pipes (joints and joining material shall be measured and paid seperately) complete all as specified and directed

M & L for run lead joint in repair with pig lead including pumping out / bail out water and necessary excavation and earth work in any type of soil,to repair the joints for following sizes of pipes :-

300 mm bore

200 mm bore

150 mm bore

100 mm bore

M & L for Cutting existing cast iron pipes and reducing for insertion of CI fittings to required length in position for following sizes :-

300 mm bore

150 mm bore

100 mm bore

200 mm bore

S&F in repair sluice valves flanged end, cast iron body, flanged and drilled and non rising type brass spindle with nut, long body, class P N 1.6, confirming to IS 14846 of 2000 for following sizes including all flange joint with rubber or fiber board, bolts, nuts and washers complete including pumping out accumulated water complete all as specified and directed. Make sant, kirloskar, kartar, Zoloto

300 mm bore

250mm bore

200 mm bore

150 mm bore

100 mm bore

Construction of brick masonery valve chamber in repair of size 1.2 x 1.2 x 1.2 M (internal dimension) (above GL 0.30 mtr) suitable for fixing of sluice valves, 15cm thick foundation using PCC 1:4:8 type D-2 over 15cm thick hardcore of broken stone, 23cm thick brick walls built in cement and sand mortar 1:4, 15mm thick internal and external plaster including top of floor in cement and sand mortar 1:3, 15mm thick, finished even and smooth, without using extra cement, 5 mm thick plate cover on 50mm x 50mm x 6mm MS angle frame embeded in PCC 1:2:4 type B-1coping, having rectangular, hinged, opening of size 150 x 100mm with locking arrangements ,hold fasts, etc, applying one coat of red oxide primer and two coats of synthetic enamel paint to all steel surfaces and earth work in any type of soil including disposal of debris outside MD land complete all as specified and directed

Supply and fixing in repair cast iron pipes with spigot and socket centrifugally cast class `LA' in any length laid in trenches of following sizes. Make: LANCO INDUSTRIES LTD /ELECTRO STEEL /KEJRIWAL CASTING LTD /NAGPUR FOUDRIES LTD./BENGAL IRON CORPORATION.

300mm bore

200mm bore

150mm bore

100mm bore

Supply and fixing in repair/replacement of steel water tubing, galvanised, Medium grade with all fittings in shafts such as nipple, union, socket, elbow, bends &,laid in trenches, with all fitting including taking down existing rusted pipes for the following sizes complete all as specified and directed

15 mm bore (fixed on wall)

20 mm bore (fixed on wall)

25 mm bore

40 mm bore

50 mm bore

80 mm bore

100 mm bore

Supply and fix in repairs in existing line, gun metal gate valve with iron wheel head screwed both ends for iron pipe including fittings i.e. union, socket etc complete all as specified and directed of the following sizes :- Make : Guide/BIR/sant ( ISI marked )

40 mm bore

50 mm bore

80 mm bore

25 mm bore

Taking out existing unserviceabe lid cover of PVC water storage tank and supply and fixing FRP lid cover on existing PVC tank including complete accessories for closing and locking arrnagement as per BMC Specification suitable for :

5000 trs PVC tank (Approx dia 60 cm)

3000 Ltrs Ltrs PVC tank (Approx dia 52 cm)

S&F in repair MS plate cover 5mm thick of valve chamber, over head tank, including necessary fabrication work with hinges, handle and applying two coats of synthetic enamel paint over one coat of metal primer complete all as specified and directed

Taking down corroded MS sections and S&F angle iron frame of size 50 x 50 x 6 mm of valve chamber, over head tank, UG sump including necessary fabrication work with two coats of synthetic enamel paint over a coat of metal primer complete all as specified and directed

.S&F PVC water storage Tank hosting and fixing in position at any location removing existing distmantling RCC/PCC OHT and new foundation making as well as disconnecting all incoming & out going connection , provision of new tank fittings & connecting it at existing position up to 50 mm GI Pipe connection complete all as specified and directed

5000 Ltr capacity

3000 Ltr capacity

2000 Ltr capacity

1000 Ltr Capacity

500 Ltr Capacity

250 Ltr Capacity

Supply only set of seven piece of chlorine tablets/chlorine granular contain alegeside & coagulant of size 50.80 mm in diameter as approved by GE

.Supply and fix in repair brass float valve (ISI marked) high pressure with polythelene float (flat) and fly nut complete screwed for GI pipe 50 mm bore including necessary GI fittings such as elbow, reducer, nipple etc including make threading etc. Make : Satyam/Techno/Prayag.

Supply and fix in repair brass float valve (ISI marked) high pressure with polythelene float (flat) and fly nut complete screwed for GI pipe 40 mm bore including necessary GI fittings such as elbow, reducer, nipple etc including make threading etc Make : Satyam/Techno/Prayag.

Supply and fix in repair brass float valve (ISI marked) high pressure with polythelene float (flat) and fly nut complete screwed for GI pipe 15mm bore including necessary GI fittings such as elbow, reducer, nipple complete all as specified and directed. Make : Satyam/Pryag

All as per item No 21 above but for GI pipe 20 mm bore

All as per item No 21 above but for GI pipe 25 mm bore

Supply and fix in repairs in existing line, y type strainer screwed both ends for iron pipe including fittings i.e. union, socket complete all as specified and directed of the following sizes :- Make : Guide/BIR/sant ( ISI marked )

150 mm bore

200 mm bore

Supply and fixing CAST IRON FOOT VALVES FLANGED ENDS SWING TYPE OPERATION WITH RUBBER SEAT AS PER IS :4038 of folliwing sizes

150 mm bore

200 mm bore

Supply only high strength calcium based granular disinfectant for chlorination of water as approved by GE complete all as specified and directed.

Shree Ayyappa Engineering

Shetty Construction Co

SUNRISE CONSTRUCTION CO

AGRAWAL ASSOCIATES