MAINTENANCE OF VALVE CHAMBERS, SLUICE VALVES AND REPLACEMENT OF CORRODED CI / GI PUMPING MAINS AT AFA HYDERABAD

Amount

Taking down existing unserviceable/leaking GI pipes from trenches/floors/walls including fittings & making good the disturbed surfaces to match with existing and all as specified and directed for following sizes.

(a) 100 mm dia bore

(b) 80 mm dia bore

(c) 50 mm dia

(d) 25 mm dia

Supply, Laying, jointing and testing GI pipes medium grade laid in trenches/wall/floors/roofs etc in any length with screwed and socket joints together with and including with all galvanised steel fittings such as sockets, elbows, bends, tees, reduces, short pieces, unions, caps, plugs etc all as specified and directed of following sizes :-

(a) 100 mm dia

(a) 80 mm dia

(d) 50 mm dia

(e) 25 mm dia

Taking down unservicable sluice valve from position after disconnecting the unserviceable sluice valve of size 200 mm dia ISI marked PN 1.6 heavy duty with handle including necessary nuts bolts washers etc complete all as specified and a directed

All as per item no 3 above but of size 150 mm

All as per item no 3 above but of size 100 mm

All as per item no 3 above but of size 80 mm

Supply and fix CI sluice valve 200 mm dia class PN 1.6 flanged type with grey cast iron body, bonnet dome, wedge, stuffing box, gland thrust plate cap, SS spindle stem, carbon steel bolts, nuts etc complete complying to IS 14846 and including necessary fixing arrangement as required at site by providing rubber/ fibre gaskets, and all as specified and directed. Make :- KIRLOSKAR/ADVANCE/KARTAR/KALPANA

All as per item No. 7 above, but of size 150 mm dia

All as per item No. 7 above, but of size 100 mm dia

All as per item No. 7 above, but of size 80 mm dia

Taking down unservicable Gate valve from position after disconnecting the unserviceable Gate valve of size 50 mm dia ISI marked PN 1.6 heavy duty with handle including necessary nuts bolts washers etc complete all as specified and a directed

All as per item no 8 above but of size 40 mm

All as per item no 8 above but of size 25 mm

Supply and fix Gun metal gate valve 50 mm dia bore with iron wheel head screwed both ends for iron pipes and complete all as directed. Make:- ZOLOTO/LEADER/MITTAL/NETA

All as per item No. 9 above, but of size 40 mm dia

All as per item No. 9 above, but of size 25 mm dia

Taking down the unservicable non return valve from position after disconnecting the unserviceable valve of size 150mm ISI marked heavy duty with handle including necessary nuts bolts washers etc complete all as specified and a directed

All as per item no10 above but of size 100 mm

All as per item no 10 above but of size 80 mm

supply and fix CI non return valve conforming to IS 5312 both end flanged and including necessary fixing arrangement as required at site by providing rubber/fibre gaskets nuts, bolts & washers etc complete all as specified and directed of size 150 mm bore dia. Make :- KIRLOSKAR/AUDCO/ADVANCE

All as per item No. 11 above, but of size 100 mm bore dia

All as per item No. 11 above, but of size 80 mm bore dia

Taking down the unservicable butterfly valve from position after disconnecting the unserviceable valve of size 150mm ISI marked heavy duty with handle including necessary nuts bolts washers etc complete all as specified and a directed

All as per item No. 12 above, but of size 100 mm dia

All as per item No. 12 above, but of size 80 mm dia

Supply and Fix Butterfly valve of size 150mm dia both ends flanged and drilled complete with all accessories of class PN 1.6 conforming to IS specifications and testing including removing the old unserviceable item and all as specified and directed Make :- ADVANCE/KIRLOSKAR/AUDCO

All as per item No. 13 above, but of size 100 mm dia

All as per item No. 13 above, but of size 80 mm dia

Repairs to Catalytic type Iron Removal Plant cum Pressure Filter of capacity 6000 Gallons per Hour (27000 LPH) of 2 Nos during normal flow rate ( 10.72 Cum / Sq mtr / Hr or 219 Gallons /Sq Ft / Hr). The plant should be capable to bring down the Iron content from the existing level of 1.0 ppm.to an acceptable level ( less than 0.30 mg/Ltr) for standard quality of potable water complete all as specified and as directed.

(a) Disconnecting and isolating the existing inlet and outlet pipe lines from the pressure filter and keeping aside the pipe lines carefully for reuse.

(b) Painting the filter chamber inside and out side with two coats of anticorrosive paint suitable for potable water.

(c) Packing the filter media inlayers obtained above including additional filter media required

(d) Replacing the broken nozzles

(e) Reconnecting and reassembling the pipe lines and other connected item for its working and testing.

Note : Filter media and Nozzles shall be measured and paid separately

Supply only Fine sand

Supply only Coarse sand

Supply only Pebbles of size 3/8 to 1/4 inch

Supply only Pebbles of size 3/8 to 1/3 inch

Supply only Pebbles of size 1/2 to 1/4 inch

Supply only Pebbles of size 1/2 to 1 inch

Activated Carbon

Demolition of old/broken valve chambers and material and labour for construction of brick masonry valve chamber of size 1200 x 1200 x 1200 mm (Internal dimensions) cement concrete in 1:4:8 type D2 foundation and 15 mm thick plaster in CM 1:4 for brick wall inside and brick chamber built in cement mortar 1:6 including providing of MS sheet cover 3 mm thick with angle iron bracket grouted in brick wall duly painted with 2 coats of synthetic enamel paint over a coat of red oxide primer with lifting handle and locking arrangement all as specified and directed.

Demolition of old/broken valve chambers and material and labour for construction of brick masonry valve chamber of size 900 x 900 x 600 mm (Internal dimensions) cement concrete in 1:4:8 type D2 foundation and 15 mm thick plaster in CM 1:4 for brick wall inside and brick chamber built in cement mortar 1:6 including providing of MS sheet cover 3 mm thick with angle iron bracket grouted in brick wall duly painted with 2 coats of synthetic enamel paint over a coat of red oxide primer with lifting handle and locking arrangement all as specified and directed.

Demolition of old/broken valve chambers and material and labour for construction of brick masonry valve chamber of size 600 x 600 x 600 mm (Internal dimensions) cement concrete in 1:4:8 type D2 foundation and 15 mm thick plaster in CM 1:4 for brick wall inside and brick chamber built in cement mortar 1:6 including providing of MS sheet cover 3 mm thick with angle iron bracket grouted in brick wall duly painted with 2 coats of synthetic enamel paint over a coat of red oxide primer with lifting handle and locking arrangement all as specified and directed.

Material and Labour for cutting of existing GI pipe line of 100mm dia for alterations and additions including screwing of GI pipe and providing GI fittings of suitable size and as required at site of work including necessary excavation and earth work complete all as directed

All as per item 25 above but of size 80mm dia

Material and labour for construction of brick masonary valve chamber of size 1200 x 1200 x 1200 mm cement concrete in 1:4:8 type D2 foundation and 15mm thick plaster in CM 1:4 for brick wall inside and brick chamber built in morter 1:6 including providing MS sheet cover 3mm thick and angle iron bracket grouted in brick wall duly painted with two coats of synthetic enamel paint over a coat of red oxide primer with lifting handle and locking arrangement all as specified and directed.

All as per item No.26 above but of size 900mm x 900mm x 900mm complete all as directed

All as per item No.26 above but of size 600mm x 600mm x 600mm complete all as directed

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth and getting out in hard/dense soil complete all as specified

Returning, filling in trenches the excavated soil in layers not exceeding 25cm including watering and well ramming complete all as specified

Removal of excavated surplus soil to a distance not exceeding 50m and depositing where directed at a level n.exc 1.50m above the starting point complete all as directed

Repairs to Catalytic type Iron Removal Plant cum Pressure Filter of capacity 10000 Gallons per Hour (45000 LPH) of 2 Nos during normal flow rate ( 17.8 Cum / Sq mtr / Hr or 365 Gallons /Sq Ft / Hr). The plant should be capable to bring down the Iron content from the existing level of 1.0 ppm.to an acceptable level ( less than 0.30 mg/Ltr) for standard quality of potable water complete all as specified and as directed.

(a) Disconnecting and isolating the existing inlet and outlet pipe lines from the pressure filter and keeping aside the pipe lines carefully for reuse.

(b) Painting the filter chamber inside and out side with two coats of anticorrosive paint suitable for potable water.

(c) Packing the filter media inlayers obtained above including additional filter media required

(d) Replacing the broken nozzles

(e) Reconnecting and reassembling the pipe lines and other connected item for its working and testing.

Note : Filter media and Nozzles shall be measured and paid separately

Supply only Fine sand

Supply only Coarse sand

Supply only Pebbles of size 3/8 to 1/4 inch

Supply only Pebbles of size 3/8 to 1/3 inch

Supply only Pebbles of size 1/2 to 1/4 inch

Supply only Pebbles of size 1/2 to 1 inch

Material and Labour M&L for burning out old lead joint and taking out lead for spigot and socket pipes and CI fittings in the following sizes

a) 80 mm dia bore

b) 100 mm dia bore

c ) 150 mm dia bore

d ) 200 mm dia bore

Material and Labour for Run lead joints for spigot and socket pipes and CI fittings in the following sizes

a) 80 mm dia bore

b) 100 mm dia bore

c ) 150 mm dia bore

d ) 200 mm dia bore

S& F 40 mm dia Ball valves high pressure of PTMT with epoxy coated Aluminium rod & high - density plastic ball screwed for iron pipe (Minimum weight 2 1 0 g m s ) complete all as specified and as directed.

S& F 25 mm dia Ball valves high pressure of PTMT with epoxy coated Aluminium rod & high - density plastic ball screwed for iron pipe (Minimum weight 2 1 0 g m s ) complete all as specified and as directed.

S& F 20 mm dia Ball valves high pressure of PTMT with epoxy coated Aluminium rod & high - density plastic ball screwed for iron pipe (Minimum weight 2 1 0 g m s ) complete all as specified and as directed.

M&L for Open the filteration plant at Sewage Treatment Plant (by opening the manhole) 45000 GPH capacity 02 Nos filter complete all as specified and as directed for the following :- .

NOTE : (a) Replacing the filter media such as sand, gravel and cleaning the gravels.Rejected gravels to be replaced with new gravels as directed by Engineer-in-Charge which will be measured and paid for separately. (b) Replacing the Unserviceable pressure gauges brass control valves including connecting pipes etc. damaged/corroded nuts bolts, arresting leakages by replacing gasket with new parts. Welding as required etc.(c) Preparing the external surface completely alongwith the piping, valves etc. apply two coats of (Ist quality) synthetic enamel paint over a coat of primer(d) Test and commission the plant all as specified and directed by Engineer - in- Charge including chemical test of filter water complete.

(b) Painting the filter chamber inside and out side with two coats of anticorrosive paint suitable for potable water.

(c) Packing the filter media inlayers obtained above including additional filter media required

(d) Replacing the broken nozzles

(e) Reconnecting and reassembling the pipe lines and other connected item for its working and testing.

Note : Filter media and Nozzles shall be measured and paid separately

Supply only Fine sand

Supply only Coarse sand

Supply only Pebbles of size 3/8 to 1/4 inch

Supply only Pebbles of size 3/8 to 1/3 inch

Supply only Pebbles of size 1/2 to 1/4 inch

Supply only Pebbles of size 1/2 to 1 inch

Acivated Carbon

Supply and Fix extended spindle suitable to operate from above ground level of 90 cm comprising of MS rod 20 mm dia cross hancle made of GI pipe 50 mm (45 cm length) welded at one end and another end with MS spindle head suitable as per existing sluice valve spindle rod shape all as directed.

Haasith constructions

GUTHIKONDA BROTHERS

Sadh builders

Ms V.Prakash

sandhya enterprises

L and S ENTERPRISES