Tender For Repair Of Old And Dry Hand Pump Under Sub Dn Bajju - Repair Of Handpump 2 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 Suc, Bajju-Rajasthan
TDR : 50380752
Tender Notice
Corrigendum Details
BOQ
Expired
Bajju
Rajasthan
Corrigendum : Tender For Repair Of Old And Dry Hand Pump Under Sub Dn Bajju - Repair Of Handpump 2 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 Suc
Name of Work: REPAIR OF OLD AND DRY HAND PUMP UNDER SUB DN BAJJU
Sl. No.
Item Description
1
Repair of HandPUmp
2
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. Nominal bore 100 mm dia.
3
Providing and Lowering of ISI mark Medium wellPVC-U casing and screen pipe (CM) as per IS : 12818 : 2010 or amended up to date having pipe thickness as per IS code suitable for bore well with threading , winding with superior quality of plastic mesh & rope in three layers with end cap complete as per technical specification and direction of Engineer In charge. 100 mm nominal dia ( internal dia ).
4
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:8110-1985.100 mm dia nominal bore
5
Supply & installation of GI pipe 32 mm medium class “B” with pipe sockets (heavy duty).
6
Installation of India Mark II/III E.D. I & II hand pump set complete on existing platform.
7
Construction of 185 cm. dia platform as per approved design & drawing of UNICEF.
8
Removing abandoned handpump including dismantling of platform, cutting of casing pipe minimum upto 0.3 m depth below ground level , depositing taken out material to store, filling bore with stone or earth and surface dressing.
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