Public Health Engineering Department-PHED has published Tender For Deepening Of Existing 125Mm Diameter Handpump Tube Well By Dth Combination System Construction Of New Plat Form After Demolishing Of Old Plat Form For Sub. Div. Todaraisingh Newai Under Div. Malpura Under Annual Rate Contract.. Submission Date for this Tender is 01-01-2024. Hand Pump Tenders in Malpura Rajasthan. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 18-Dec-2023 | Corrigendum for Eligibilty criteria | Technical Bid | 01-01-2024 |
| Sl. No. | Item Description |
| 1 | Construction of tube well from ground level & up to 100 mtr depth to accommodate housing and assembly pipe of following sizes in all type of alluvium strataunconsolidated formation such as pebbles, boulders etc. by percussion/rotary drilling method as per IS:2800 Part 1: 1991 andIS:2800 Part II: 1979 (both amended up to date) and technical specifications, with gravel as per IS:4097-1967 and it"s packing as per IS: 2800 (Part I & II) 1979 as amended up to date (the work includes the cost of gravel & it"s primary packing and packing during development, lowering of housing & strainer assembly pipes with supply and wrapping of coir-rope, wherever necessary for arresting fine sand particles and development work, but excluding the cost of housing and strainer pipe assembly). The work would be completed after obtaining sand free water. |
| 2 | Nominal bore 125 mm dia. |
| 3 | Add 15% extra on above item for drilling depth beyond 100 mtr, If depth of bore is more than 100 mtr. |
| 4 | Construction of Tube Well up to 100 mtr. depthin all type of rocks by DTH system & over burden to accommodate casing pipe of following sizes in all types of soils & over burden including lowering of casing pipes, (if required) excluding cost of casing pipes, as per IS:2800 Part 1: 1991 andIS:2800 Part II: 1979 (both amended up to date) and technical specifications. The work would be completed after obtaining sand free water. The tube well should have a through out bore as per nominal dia of casing pipe. |
| 5 | Nominal bore 100 mm dia. |
| 6 | Nominal bore 125 mm dia. |
| 7 | Add 15% extra on above item for drilling depth beyond 100 mtr, If depth of bore is more than 100 mtr. |
| 8 | Construction of tube well from ground level and up to 100 mtr. depth and above of following sizes in all types of soils in alluvium strata, unconsolidated formation such as pebbles, boulders etc. by bailing method and without gravel packing as per IS:2800 Part 1: 1991 andIS:2800 Part II: 1979 (both amended up to date) and technical specifications. The work includes formation of cavity at bottom by development with appropriate air compressor or bailer pumping and also lowering of casing pipe but excluding cost of the casing pipe.The tube well should have a throughout bore as per nominal dia of casing pipe.The work would be completed after obtaining sand free water. |
| 9 | Nominal bore 100 mm dia. |
| 10 | Nominal bore 125 mm dia. |
| 11 | Supply of ERW M.S. black casing pipe ISI marked {IS:1239(Part-1:2004)} medium of following sizes at site of work. |
| 12 | 100 mm dia NB (Thickness of pipe 4.5mm & mass of tube 12.50 Kg/m) |
| 13 | 125 mm dia NB( Thickness of pipe 4.8 mm & mass of tube 16.40 Kg/m) |
| 14 | Labour charges for making slots on blank pipes made of ERW MS black pipe ISI marked of following sizes, the slotting should be as per IS:8110-1985. |
| 15 | 100 mm dia nominal bore |
| 16 | 125 mm dia nominal bore |
| 17 | Supply & installation of GI pipe 32 mm medium class “B” with pipe sockets (heavy duty). |
| 18 | Supply and installation of ISI mark connecting rod as per departmental specifications. of3 meter length. |
| 19 | Installation of India Mark II/III E.D. I & II hand pump set complete on existing platform. |
| 20 | Construction of 185 cm. dia platform as per approved design & drawing of UNICEF. |
| 21 | Dismantling of cement cencrete pavement for pipe line and chambers by mechanical means using pneumatic tools, cutting the peripheral edge by CC cutter, breaking to pieces not exceeding 0.02 cum in volume and stock piling at designated locations and disposal of dismantled materials up to a lead of 1000 meters. Measurement for dismantled trench to be made as per standard trench width specified in tender document and no extra payment shall be made for trench width more than specified, re-handling of material/earth to complete the tasks as per technical specification and scope of work. |
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