Tender For Change Of Filter Media Of Slow Sand Filter Of 114 Bn Bsf Under Shq Bsf Bikaner
Tender Value
8.66 Lakhs
Estimated cost
Bid Submission
27 Feb 2024
0 days left
EMD
17327
Bank guarantee accepted
Document Fee
Ref. Documents
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
khajuwala → Rajasthan
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Change Of Filter Media Of Slow Sand Filter Of 114 Bn Bsf Under Shq Bsf Bikaner
BOQ
| Sl. No. | Item Description |
| 1 | Silt clearance from Sedimentation cum storage tank with all lift and lead up to 50 Mtr. Silt to be disposed outside the Headworks boundaries. Disposed silt to be levelled and neatly dressed including stacking of useful material if any available during excavation for all kind of soil. Silt clearance is to be carried out by means of mechanical system i.e.Tractor craw/Trolley or any other mechanical system. No extra payment shall be done for lift . This work also involves dressing of bottom which is to be done manually and there shall be no damage to lining and LDPE film of tank. Work is to be done as per direction of Engineer In Charge and technical specifications. |
| 2 | Supply and charging of filter media (Gravel) as per department specification including screaming, washing with 5% HCL solution to make Gravel (Size 4 to 6mm, 8 to 12mm, 10 to 20mm - Hard Coarse grit from approved quarry) free from silt, clay and other all impurities work to be executed as per scope of work fixed by the department at the time of tendering (for SSF) |
| 3 | Providing and Placing of new filter media as(i) Sand shall be hard and resistant quartz or quartzite and free of clay, fine particles, soft grains and dirt of any description. (ii) Effective size shall be 0.20 to 0.30 mm. (iii) Uniformity Coefficient not be more than 5.0 nor less than 3.0. (iv) Ignition loss should not exceed 0.70% by weight.(v) Soluble fraction in HCL acid shall not exceed 7.0% by weight,(vi) Silica content should not be less than 95% (vii) Specific Gravity shall be in the range between 2.55 to 2.65 (viii) Wearing loss shall not exceed 3.0%. and as per specifications given in IS : 8419 (Part-I). (ix) The sand should not contain more than 2% of calcium and manganese calculated as carbonate. Filter media (fine sand and coarse sand) should be processed through. Disintegrator and dust separator in automatic plant including screening of sand to desired Specification and washing and cleaning of sand with water by aqua wash technology at quarry site. The sand shall not contain more than 5% acid soluble matter as determined by solubility test in Appendix B of IS: 8419 |
| 4 | Removing & Re-fixing of pipes for under drainage system including cleaning of one end plugged pipes and fixing /embedded in CM 1:4 on one end and fixing other end in collecting channel with CM 1:4 with all Material etc.(Excl.cost of pipes) This job, also, includes Making 4mm dia holes if required in pipes @15 cm c/c in zig-zag pattern. |
AI Tender Summary
Tender Timeline
Feb 16, 2024
11:30 IST
Tender Published
Tender notice published.
CompletedFeb 27, 2024
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
CompletedFeb 28, 2024
Bid Opening Date
Technical bids will be opened and evaluated.
CompletedTender Documents
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