Heavey Water Board-HWB has published Tender For Maintenance Of Equipments & Pipelines In H2s Generation & Na2so4recovery Unit In Main Plant Of Hwpm. Submission Date for this Tender is 14-02-2023. Kitchen Equipment Tenders in manuguru Telangana. Bidders can get complete Tender details and download the document.
Sl. No. | Item Description |
1 | Scafolding for various miscelleneous jobs in & around H2S Generation & Recovery Unit |
2 | Removal of old cladding & insulation |
3 | Application of new insulaiton & fixing of cladding sheet to avoid water entry |
4 | Replacement of cold insulation material including cladding |
5 | Mechanical cleaning of pipes for inspection & testing. |
6 | Thickness survey by ultrasonic technique |
7 | Painting of pipelines |
8 | External cleaning & Painting of structures, tanks & vessels |
9 | Flange joints maintenance |
10 | Insertion of blind spades & additional gasket between flanges for isolation of pipe lines |
11 | Removal of blind spade including replacement of old gasket & tightening of flanges for normalization of pipe lines |
12 | Providing of regular blinds for pipe line flanges |
13 | Removal of regular blinds for pipe line flanges |
14 | Dropping of Double Disc gate Valves, Plug Valves, Gate Valves, NRVs, PSVs etc., |
15 | Fixing of Double Disc gate Valves, Plug Valves, Gate Valves, NRVs, PSVs etc., |
16 | Replacement of lubricating oil in pumps, compressors and other equipment |
17 | Replacement of gland pickings of valves & pumps |
18 | Online servicing of DD Valves / gate valves/ globe valves which are hard to operate / partially opening -closing |
19 | Online servicing of DD valves which are leaking by online tightening of fasteners etc., |
20 | Servicing of DD Valve, Globe Valve, gate Valve, PSVs followed by hydro test / calibration |
21 | Replacement of protection sleeve of H2S Compressor |
22 | Dropping of Inlet and outlet valves of H2S compressor including connected spools. |
23 | Servicing of Inlet and Outlet Valves of H2S Compressors by lapping & Replacement of parts. |
24 | Fixing of Inlet & outlet valves of H2S Compressor including gaskets & connected spools. |
25 | Dismantling of gland stuffing box including its packings of H2S Compressor |
26 | Servicing of gland packing stuffing box holders by lapping to ensure zero leak. |
27 | Assembly of gland stuffing box including its packings of H2S Compressor |
28 | Dismantling & cleaning of H2S Compressor Piston-Cylinder assembly for inspection & maintenance compressor |
29 | Boxing up of H2S Compressor Piston-Cylinder assemblyafter inspection & replacement of damaged parts |
30 | Replacement of H2S Compressor cylinder liners including O rings (Liner set (3 Nos) + O ring set = 1 set) |
31 | Cleaning of H2S Compressor cooling water jacket using HP nitrogen, high pressure water jet etc., |
32 | Chemical cleaning of Compressor cooling water jacket. |
33 | Overhauling of H2S Compressor drive - crankshaft assembly including bearings and crosshead. |
34 | Dismantling, hydro testing, repair and assembly of H2S Compressor intercooler / after cooler / moisture separator |
35 | Replacement of belts of H2S compressor followed by alignment |
36 | Servicing of Rotory valve including drive mechanism gear box of recovery unit |
37 | Dismantling of RCC foundation of equipments / floor by chiseling, chipping and core cutting as per requirement |
38 | RCC work for preparation of foundation / floor / columns by RCC including reinforcements liked torred steel rods etc., as per requirement |
39 | Removal of sand / soil from drain header trenches for inspection of drain header |
40 | Filling of drain header trenches with dry sand / other filler material as per requirement |
41 | Shifting of new plates and structural steel from DPS / sectional stores to work location and scrap from work location to stores / scrap yard |
42 | Cutting of plates to required size and bending to suitable profile |
43 | Removal of old plates by cutting and shifting to scrap yard and edge preparation of shell plates for welding with new plates. |
44 | Fit up of bent plates after edge preparation by rigging to tank / vessel |
45 | Butt / Lap welding of plates upto 10 mm thickness for repair & replacement of damaged corroded plates of tanks |
46 | Replacement of pipelines by cutting & welding of CS seamless /ERW pipes and fittings with schedule upto 80. |
47 | Replacement of pipelines by cutting & welding of SS pipes and fittings with schedule upto 40. |
48 | Handling of pipes wherever exceeds 1m length for welding |
49 | Overhauling of burner assembly including cam mechanism of dampener & burner fan |
50 | Removal of old existing structures by cutting and retrieving the useful portions by cutting & grinding |
51 | Fabrication of new structures including erection / repair of old structural elements like angles, plates, structural pipes, channels, beams, columns, grills & gratings etc., |
52 | Fabrication of new SS casing for exhaust fan of recovery unit followed by its replacement and trial run of fan to evaluate its performance. |
53 | Welding of SS plates upto 4 mm thick for repair / fabrication of ducts, structures and expansion bellows including cutting and bending of plates into required profile. |
54 | Decoupling of equipment, Inspection of coupling & pulley & alignment of equipment with motor |
55 | Complete overhauling of centrifugal pump up to 15HP (Horizontal/vertical) |
56 | Servicing of mechanical seal of centrifugal pump (up to 15 HP), back pull out type, fitted with singlemechanical seals |
57 | Complete overhauling of pumps below 2.5 KW |
58 | Overhauling of atomiser in recovery unit |
59 | Overhauling of delivery fan and exhaust fans |
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