REPAIR/ MAINT OF EXTERNAL WATER SUPPLY PIPE LINES, SLUICE/ BUTTERFLY/ AIR VALVES AND OTHER CONNECTED WORKS AT NASIRABAD MIL STN UNDER GE NASIRABAD

Amount

Excavation in trenches not exceeding 1.5 metres wide and not exceeding 1.5 metres in depth for foundation or laying/taking out existing pipe etc and getting out in any type of soil complete all as specified and as directed.

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

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

Taking up or down cast iron/GI steel tubing/ DI pipe with all fittings connection, from trenches, walls, floors etc including cleaning for reuse, removal from site complete all as specified and as directed for the following sizes :-

CI/GI/DI pipe 150 mm bore

CI/GI/DI pipe 100 mm bore

CI/GI/DI pipe 80 mm bore

GI pipe 50 mm bore

GI pipe 40 mm bore

GI pipe 25 mm bore

GI pipe 20 mm bore

GI pipe 15 mm bore

Supplying, laying, connecting, jointing and testing in trenches for ductile iron pressure pipe for water mains, centrifugally cast, spigot and socket ends (for push on joints), class K9 in any length with external protection of Metallic zinc with finishing layer of bituminous paint and internal linings of Portland cement (with or without additives) mortar with seal coat, all as per IS 8329: 2000 and including materials and jointing with rubber gasket for WA type of application and hardness class 50 for bulb and hardness class 80 for heel all as per IS 5382: 2018 and IS 12820: 2004 complete all as specified and as directed of following sizes :- Note : DI fitting shall be measured and paid separtely

DI Pipe150 MM dia

DI Pipe100 MM dia

S & F 3 layer PPR Polypropylene random copolymer , concealed pipes SDR 7.4 (PN 16) UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply all PPR plain & brass threaded polypropylene random fittings including fittings laid in trenches/fixed on wall, ceilings or in floors etc complete all as specified and directed of the following sizes:-

110 mm outer diameter of pipes

90 mm outer diameter of pipes

63 mm outer diameter of pipes

50 mm outer diameter of pipes

32 mm outer diameter of pipes

25 mm outer diameter of pipes

20 mm outer diameter of pipes

S & F GI tubes, medium grade (ISI marked), galvanized iron with and including all fitting (ISI marked) laid in trenches/fixed to wall/fixed on pillars, boring & use suitable ferrules for new/or as existing branch connection etc complete all as specified and as directed of following sizes :-

100 mm bore

80 mm bore

50 mm bore

40 mm bore

25 mm bore

20 mm bore

Refixing, connecting, jointing and testing of old serviceble CI/GI Pipe with all fittings , laid in trenches/fixing to walls retrieved from item 4.00 of here-in-before complete all as specified and as directed of the following sizes :-

100 mm bore

80 mm bore

50 mm bore

40 mm bore

25 mm bore

20 mm bore

Supply and fixing in repair gun metal gate valves with iron wheel head, screwed both ends for jointing iron pipe, non rising forged brass spindle class I complete all as specified and as directed for following sizes :-

50 mm dia

40 mm dia

25 mm dia

20 mm dia

Supply & Fixing in repair PTMT Ball valve with apoxy coated alluminium rod and high density plastic ball screwed for iron pipe 20 mm dia complete all as specified and directed.

S&F in repair Air release valve with single air outlet in existing CI/DI/GI pipe with drilling, threading, welding complete all as directed of following sizes :-

200 mm dia

150 mm dia

100 mm dia

S&F in repair Cast Iron Non return valve, , heavy duty ,both end flanged of pressure rating PN 1.6 and jointing with rubber or fibre board gasket complete with and including nuts, bolts and washers complete all as specified and directed of following size :-

100 mm bore

150 mm bore

S&F in repair non-rising stem type CI sluice valves having double flanged for connections of nominal pressure (PN 1.6) as per IS 14846: 2000 of preferred materials, with iron hand wheel stainless steel spindle with Neoprene rubber gasket, nuts, bolts and washers, etc. complete all as specified and as directed of following size

200 mm bore

150 mm bore

100 mm bore

80 mm bore

S&F in repair for CI 'D' joint ( Mechenical Joint ) with rubber rings and Nut , bolts , wasshers complete all as specified and directed for the following sizes :-

150 mm bore

100 mm bore

80 mm bore

M&L for run lead joint for 100mm bore CI spigot & socket pipe and fittings including preparation of ends & jointing materials, coupling & testing complete all as specified and directed.

M&L for run lead joint for 150mm bore CI spigot & socket pipe and fittings including preparation of ends & jointing materials, coupling & testing complete all as specified and directed.

M&L for run lead joint for 200mm bore CI spigot & socket pipe and fittings including preparation of ends & jointing materials, coupling & testing complete all as specified and directed.

M&L for repair/rectifying to existing leaking/blockage of pipeline upto 250 mm dia GI/DI/CI pipe, necessary excavation & earth work in any type of soil and dewatering paid seperately complete all as specified and directed. Note:- (i) This item considered in work for repair and maitenance at Nasirabad and Ajmer Mil Station. (ii) All the leakage/blockage of water supply pipe lines complaints shall be rectified by the contractor within 12 hrs from the launch of complaint time. If contractor shall be fail to rectified the above said complaint in given time period then a penalty @ Rs 200/day will be recovered agaist the each job. (iii) All T&P and vehicles for transportation will be provided by contractor. (iv) GI accessories / fittings shall be measured and paid separately under.

Supply, laying, jointing and testing mild steel ERW pipe, class 'B', bore 200 mm, wall thickness 6 mm with permissible tolerance +10% ,confirming to IS-3589 with all fittings complete with all welding/threading works and jointing material laid in trenches/ along road/ on surface /section pipe etc complete all fitting complete all as specified and directed. Note:- Excavation and earthwork will be measured and paid separately under relevant items

Supply, laying, jointing and testing mild steel ERW pipe, class 'B', bore 300 mm, wall thickness 6 mm with permissible tolerance +10% ,confirming to IS-3589 with all fittings complete with all welding/threading works and jointing material laid in trenches/ along road/ on surface /section pipe etc complete all fitting complete all as specified and directed. Note:- Excavation and earthwork will be measured and paid separately under relevant items

Material and labour for construction of brick masonary valve pit chamber of size as required using sub class ‘B’ bricks complete, earth work, PCC (1:4:8) type D-2 using 40 mm graded stone aggregate in foundation,brick masanary with sub class bricks 23 cm build in cement mortor with 1:6 , plastering of 10 cm thickness internally and 15 cm externally(1:4) cement mortor and below grond level PCC with 1:2:4 type B2 using 20mm grade stone aggregate ,coping 50 mm thick including frame of size 75x75x6mm made of angles iron and chamber cover made of MS sheet of 4 mm thickness double leaf including MS hinges locking arrangement with provision of locks and keys , painting of the steel surfaces with two coats of synthetic enamel paint over a coat of red oxide primer including necesarry excavation , returning & filling& removing of surplus soil etc complete all as specified and as directed.

Dewatering from trenches and taking out of mude etc with the help of JCB or mud pump as required at site and taking out of broken/cracked pipe 80 to 450 mm bore including excavation, returning & filling, removing soil and making good disturbed surface on both side complete all as specified and directed.

Supplying, laying, connecting, jointing and testing in trenches ductile iron fittings (special castings) (class K12 as per IS 9523: 2000) for ductile iron pressure pipe for water mains upto 450 mm nominal dia (spigot and socket and flange ends (for push on joints and flanged joints) with external coatings of Metallic zinc with finishing layer of bituminous paint and internal linings of Portland cement (with or without additives) mortar with seal coat, all as per IS 9523: 2000 and including materials and jointing with rubber gasket for WA type of application and hardness class 50 for bulb and hardness class 80 for heel all as per IS 5382: 2018 and IS 12820: 2004 for push on joints and rubber gasket as per IS 638: 1979 for flanged joints complete all as specified and as directed.

Supply, installation and testing of butterfly electric motor with gear box valve set in replacement of size 100 mm dia complete single phase motor actuated with disc material of CI with nylon coating, hand wheel for manual openation, pressure rating of 10 kg/sq cm and having 02 nos limit switches for open / closed condition and capability of accepting 4-20mA input complete all as specified and directed.

Supply, installation and testing of butterfly electric motor with gear box valve set in replacement of size 150 mm dia complete single phase motor actuated with disc material of CI with nylon coating, hand wheel for manual openation, pressure rating of 10 kg/sq cm and having 02 nos limit switches for open / closed condition and capability of accepting 4-20mA input complete set all as specified and directed.

Supply, installation and testing of butterfly electric motor with gear box valve set in replacement of size 300 mm dia complete single phase motor actuated with disc material of CI with nylon coating, hand wheel for manual openation, pressure rating of 10 kg/sq cm and having 02 nos limit switches for open / closed condition and capability of accepting 4-20mA input complete all as specified and directed.

S&F in repair of CI Foot valve of size upto 200 mm including nut, bolts and washers of suitable size complete all as specified and directed.

TANISHQ ENTERPRISES (BID ID -3504406)

ENGINEERS POWER CONSTRUCTION COMPANY (BID ID -3507315)

KIRTIMAN TRADERS (BID ID -3501028)

M/S KAMAKHYA CONTRACTORS (BID ID -3504948)

PD GUPTA AND COMPANY (BID ID -3505207)