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| # | Company | Status |
|---|---|---|
| 1 | Admitted-Finance | Admitted-Finance |
| 2 | Admitted-Finance 403 CENTRUM IT PARK PLOT NO C 3 S G BARVE ROAD WAGLE ESTATE THANE THANE WEST THANE MAHARASHTRA 400604 | THANE | MAHARASHTRA | 400604 | Admitted-Finance |
| 3 | Not Admitted-Fee/PreQual/Technical 5 4 319 SAI SWAROOP GANNAVARAPU 5 4 319 ROAD NO 7 KAMALANAGAR VANASTHALIPURAM 40 HYDERABAD TELANGANA 500070 | RANGA REDDY | TELANGANA | 500070 | Not Admitted-Fee/PreQual/Technical Others-EMD DECLARATION FORM IS NOT RECEIVED |
Tender Value
₹59.5 L
Closing Date
4 Jan 2022, 2:30 pmClosed
GM, HWPK
GM Office, HWPK
Maintenance and Testing of Small Size DD valves covering sizes ranging from one and half inch NB to 10 inch NB at HWPK during MTA 2022
2021_HWB_662021_1
HWPK/MECH/2021/MTA/282
Open Tender
Machineries/ Mechanical Engg Items
Item Rate
60 days
GM Office, HWPK
Please refer Tender documents.
8 documents required · 8 mandatory
₹0
Exempted
GM Office, HWPK
12 Mar 2022
10 Dec 2021
6 Jan 2022
10 Dec 2021
4 Jan 2022
12 Dec 2021
29 Dec 2021
Amount
Valve Initial leak testing, valve dismantling, disc & seat lapping, blue-matching, gland packing & bonnet gasket replacement, Valve re-assembly, manual actuator servicing, final leak testing etc. for following sizes & class of valves:
10" NB x 300# (10"-8"-10"NB x 300#)
Cleaning of valve external surface after erection, supply & application of one coat of red oxide zinc chromate primer and two coats of synthetic enamel (Golden Yellow colour/ Silver colour) paint to achieve 90 micron Dry Film Thickness for following sizes & class of valves:
10" NB x 300# (10"-8"-10"NB x 300#)
Repair of valve flange face or Body-bonnet joint (T&G face) by weld deposition, DP testing, Machining/Grinding and lapping etc of following sizes & class (unit is nos. of flange faces):
10" NB x 300# (10"-8"-10"NB x 300#)
Removal of screwed seat rings, repair of damaged threads and re-fixing of repaired/new seat ring of following sizes & class (Removal of seat ring involved 3-4 cycles of heating and cooling and heavy torquing) (unit is nos. of seat rings):
10" NB x 300# (10"-8"-10"NB x 300#)
Straightening of valve spindle (AISI 329) to an accuracy of 0.002 mm in diameter & 0.005 mm over the entire length, rectification of scratches by high chrome high nickel deposition using Xuper 680 CGS of L&T, TAFA or equivalent (30 Cr, 18-20 Ni) for following sizes & class:
10" NB x 300# (10"-8"-10"NB x 300#)
Local Repair of discs having minor cracks by grinding, DP test, stelliting, grinding and re-lapping for following sizes & class (unit is nos. of discs):
8" NB 300#/ 10" NB x 300# (10"-8"-10"NB x 300#)
Removal of Flanged End 1/2"NB Sealant Adpator (SA) Gate Valve from Double Disk Gate Valves, Maintenance of Sealant Adpator Gate Valve (by replacement of body-bonnet joint gasket, gland packings, lapping of disk & seat, lapping of back seat & stem collar, lapping/repair of end flanges etc), Hydro-testing for back seat, body-bonnet joint & Disk-seat interface as per API 598, Re-installation of Sealant Adpator Gate Valve on Double Disk Gate Valve, blinding of end flange of SA Valve.
amrutha engineering
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