Delhi Jal Board-DJB has published Improvement- Renovation Of Flash Mixtures Of Clarifier No. 9 And 10 At 3Rd 40 Mgd Plant Wazirabad Water Works. Submission Date for this Tender is 15-02-2024. Water Treatment Plant Tenders in wazirabad Delhi. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Closing of incoming gate for not enter the water in flash mixture by using of joot bori for avoid the leakase. |
| 2 | Dewatering of water from the flash mixture deep well to execute the work safely inside the deep well by using of 10HP submersible pump, delivery pipe and other necessary arrangement. |
| 3 | Disconnection of electric connection from starter panel, motor removing od motor, gear box after decoupled from the worn out MS base frame with the help of labour with safety equipments. |
| 4 | Dismantling of wornout M.S platform from the flash mixture top chamber. The job includes removing of wornout grill and cutting of rusted channel by gas cutter & taking out by heavy labour. With necessary precaution. |
| 5 | Safety equipments like oxygen cylinder, gum boot, belt and helmet etc have to be arranged for the workers as the work has to be done in the top of flash mixture chamber. The same includes loading, unloading & cartage charges etc. |
| 6 | Temporary arrangement at site like plates, balli, jacks, chain block, chains etc to make working platform for workers. This includes to & fro and its loading & unloading complete & its dismantling after completion of work. |
| 7 | Fabrication of new structure made out from 200mmx8mm U channel for mounting of motor & gear box of flash mixture. The job includes fixing of 8mm M.S.sheet on top of C-channel M.S structure. |
| 8 | Fixing of M.S. structure with nut bolts/fasteners on flash mixture top chamber. The job includes loading & unloading of complete frame with the help of heavy manual labour arrangement. |
| 9 | Renovation of flash mixture gear box including replacement of gaskets, hardware etc. as required remettling/machining of gear box shaft fixing of coupler as per site requirement. |
| 10 | Fabrication and fixing of G.M bush with bush holder. |
| 11 | Fabrication and fixing of S.S 304 shaft of size 50 mm dia approx. as required. |
| 12 | Fabrication and fixing of S.S coupler for joining of gear box with main shaft. |
| 13 | Fabrication and fixing of fans 600mm approx. for blending/mixing of chemical in raw water for above shaft. |
| 14 | Fabrication and fixing of coupling guard for motor and gear box. |
| 15 | Providing and fixing of M.S angle of size 75x75x10mm inside deep well for holding the G.M/S.S bush with bush holder for free movement of vertical shaft. The job includes fixing of M.S plates of size 300x300x15mm at both ends of M.S.angle with the help of anchor bots etc.as per site requirement. |
| 16 | Providing and fixing of C or I-section beam of size 200mm inside deep well for holding the G.M bush with bush holder for free movement of vertical shaft. The job includes fixing of M.S plates of size 300x300x15mm at both ends of I-section beam with the help of anchor bots etc.as per site requirement. |
| 17 | Fixing of motor and gear box etc. and making proper alignment for smooth operation of the unit. |
| 18 | Making of M.S Railing on top of both flash mixture chamber. Made out of M.S pipe of 40mm dia for vertical support & horizontal support. Making full strengthening of railing for safety of working/operating staff. |
| 19 | Providing of PVC/XLPE insulated electrical cable 4CX25 SQ. Motor working voltage upto and including 1100 volts to IS:1554 (part-1)1998/7098 with aluminium conductor ISI marked cable. Price taken from the price list of Grandlay on 20% discount. Make Grandlay. |
| 20 | Providing of low voltage grade upto 1100 v cable of 4Cx10sq. mm copper conductor PVC insulated XLPE cable. Price taken from the price list of Grandlay on 20% discount. Make Grandlay. Make Grandlay. |
| 21 | Laying of one number PVC insulated and PVC sheathed / XLPE cable of 1.1 kv grade of following size direct in ground including excavation and refilling the trench etc as required but excluding sand cushioning and protective covring. |
| 22 | Laying of one number PVC insulated and PVC sheathed / XLPE cable of 1.1 kv grade of following size on wall surface as required upto 35 sq. mm. |
| 23 | Dismantling of damaged MS bar jaal and fixing of new jaal made out from MS bar 16mm thick on the top of flash mixer chamber. |
| 24 | Providing and fixing of modular/ combinable polycarbonate insulated outdoor type feeder panel housing (Make of panel housing: Hensel/ Rital) shock proof, weather proof, rust proof, UV resistant, halogen free, silicone free, corrosion proof, protection class: II safe, IP 65 according to IEC 61 439-2, IEC 60 999, DIN EN 50 262, DIN 43 880, IEC 60 529/ DIN VDE 0470 Teil 1, the DB should have ASTA Certification by CPRI and manufacturer routine Test Certificate should be provided, totally insulated, having internal embedded gasket with provision of cable entry through glands. The panel board should have following control panel MCB and accessories etc complete with connections & Interconnections etc as required. Note 1: For mounting of meters, indicating lights & push button only box with hinged door with triangular lid to be used. Note 2: For mounting of 7.5 HP star delta starter MS angle frame should be hot dipped galvanized and made out of MS angle of size 35 X 35 X 5 mm with all required material/arrangement as per site requirement. The Panel should consist of the followings: - a) 25 A TP power contactor- 1set. b) Add - on aux. contact block – 1 set. c) 9-15 A thermal over load relay - 1 No. d) Single phasing preventer - 1 No.e) 32 A, FP, 10 kA, MCB. - 1 No f) LED indicating lights Red, Yellow, Blue & Green. – 1 set g) Push Button with element. - 2 No.h) 6 A SP MCB. - 1 No.i) 32 A, 3 way open connector - 1 No. j) Digital 3 phase Volt Ampere meter. - 1 No. k) Star Delta electronic timer-1 nos. |
| 25 | Fabrication & fixing of Fiber glass sheet shed on the 2 Nos. flash mixtures in order to protect the motor, gear box & other equipments from rain to avoid these equipments getting rust and moisture. The job includes supply of M.S. pipe of 40 mm dia up to the height of 78" at one side welded with the M.S. grill support and other sides support will be welded on the M.S. plate fixed on the R.C.C. structure with the help of fasteners and making roof structure with the help of squire M.S. pipe of size 25 mm so that fiber glass sheet can be fixed on the M.S. structure with the help of fasteners. |
| 26 | Painting of gear box, motor, MS structure etc. with high gloss paint. Make Asian. |
| 27 | Trial run for testing of flash mixture on load. |
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