National Hydroelectric Power Corporation Limited has published Design, Supplying, Erection, Testing And Commissioning Of 150 Kld And 60 Kld Sewage Treatment Plant Including All Civil And Mechanical Works At Rangit Nagar Colony. Submission Date for this Tender is 24-06-2022. Sewage Treatment Plant Tenders in rangit Sikkim. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 27-May-2022 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 03-06-2022 |
| 2 | 28-May-2022 | Corrigendum-I | Technical Bid | 03-06-2022 |
| 3 | 10-Jun-2022 | CORRIGENDUMII | Date | 24-06-2022 |
| Sl. No. | Item Description |
| 1 | Earth work in excavation by mechanical means (Hydraulic Excavator)/ manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil. |
| 2 | Excavation work by mechanical means (Hydraulic Excavator)/ manual means in foundation trenches or drains not exceeding 1.5 m in width or 10 sqm on plan including dressing of sides and ramming of bottoms lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50m. Ordinary rock |
| 3 | Sand Filling in Foundation Trenches as per Drawing & Technical Specification |
| 4 | Providing and laying hand packed stone soling in buildings works with clean hard selected stones, all complete. (Manual means). |
| 5 | Providing & Laying in position cement concrete of specified grade including compacting curing etc all complete. 1:3:6 mix.(1 cement, 3 coarse sand, 6 graded stone aggregate of 20mm nominal size). |
| 6 | Supplying, bending and placing in position tor steel reinforcement in all R.C.C works including cost of binding wires, all complete. |
| 7 | Providing, fixing & removing form work for casting R.C.C items as indicate below with with imported timber from outside the state-Beam, lintels, girders, brersumers and cantilevers. |
| 8 | Providing, fixing & removing form work for casting R.C.C items as indicate below with imported timber from outside the state-Foundation, footing , base of column etc for mass concrete. |
| 9 | Providing, fixing & removing form work for casting R.C.C items as indicate below with imported timber from outside the state-Wall. |
| 10 | Providing, fixing & removing form work for casting R.C.C items as indicate below with imported timber from outside the state-Floor slab, roof slab, landing, balcony and access platform. |
| 11 | Providing, fixing & removing form work for casting R.C.C items as indicate below with imported timber from outside the state-Square columns. |
| 12 | Providing and Laying in position specified grade of reinforced cement concrete excluding the cost of form work, finishing and reinforcements.1:1.5:3 Mix (1cement, 1.5 coarse sand 3 graded stone aggregate 20mm and down nominal gauge). |
| 13 | Providing and Laying first class brick work in one brick thick in superstructure of standard size bricks with 1:5 cement mortar (1cement and 5 clean coarse sand) as per the direction of Engineer in Charge including curing etc all complete. |
| 14 | 12 mm cement plaster finished with a floating coat of neat cement of mix : (ii) 1:4 (1 cement: 4 fine sand) |
| 15 | Providing and laying non-pressure NP2 class (light duty) R.C.C. pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete : 19.6.2) 150 mm dia. R.C.C. pipe |
| 16 | Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings This includes jointing of pipes & fittings with one step CPVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge. |
| 17 | Constructing brick masonry manhole in cement mortar 1:4 ( 1 cement : 4 coarse sand ) with R.C.C. top slab with 1:1.5:3 mix (1 cement : 1.5 coarse sand (zone- III) : 3 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1 cement : 4 coarse sand (zone- III) : 8 graded stone aggregate 40 mm nominal size), inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with floating coat of neat cement and making, channels in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement complete as per standard design : Inside size 120x90 cm and 90 cm deep including C.I. cover with frame (medium duty) 500 mm internal diameter, total weight of cover and frame to be not less than 116 kg (weight of cover 58 kg and weight of frame 58 kg) : With common burnt clay F.P.S. (non modular) bricks of class designation 7.5 |
| 18 | Head load of stock materials for a distance beyond 30 m and within 100m distance. |
| 19 | Head load of non-stock materials for a distance beyond 30 m and within 100 m distance. |
| 20 | Loading and unloading of Boulder/Stone/ aggregates/sand/kanker/Moorum |
| 21 | Loading and unloading of Cement or Steel by manual means and stacking. |
| 22 | Cost of haulage excluding loading and unloading- Surfaced road:- Non-stock & stock materials. |
| 23 | Supplying, Erection and Commissioning of 150 KLD capacity Sewage treatment plant (STP) which includes Electrical and Mechanical work complete in all respect. |
| 24 | Supplying, Erection and Commissioning of 60 KLD capacity Sewage treatment plant (STP) which includes Electrical and Mechanical work complete in all respect. |
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