10 /EE/PMD/PHED OF 2024-2025/Sl3

Amount

Mobilisation and transportation of the Rig machine and its accessories and other matrials etc to the site.

Drilling a bore hole in DTH process through any kind of soils and rocks in overburden suitable for lowering and fitting fixing of 200 mm internal dia casing pipe(casing pipe may be supplied departmentally) up to an average depth of 25±5 mtrs. and subsequently 165 mm diameter boring through any kind of rocky formation upto a total depth of 150 mtrs (for dry drilling or sufficient water not achieved drilling may be continued up to 200 Mtr) including all other works necessry for boring and lowering fitting fixing of MSERW /UPVC casing pipes suitable for 165mm dia drilling in rock bed and grouting the same as per direction of E.I.C .including (in case of MSERW casing pipes) the cost of welding of MSERW casing pipes and welding the top of the casing pipe with one 8mm thick MS cover plate(with supply and delivery of that plate) Necessary arrangement to be made for proper security of bore hole. Note:- a) MSERW/UPVC casing pipes should be properly inserted or lowered in overburden zone for proper RBTW formation. b)In case of collapse borehole payment will be done for clear measurable depth only. a) 0 to 23 mtrs

b) 23 to 150 Mtrs or above

Supply & deiivery of 200 mm nominai dia UPVC casing pipe having 3.0 meter length each, both end threadpd and one end rocketed as per direction of EIC and as per tS:12818-2010 Make- Oriplast/Utkarsh/Supreme/Dupoll NB- Materiai to be supplied as per requirement of site

Washing and devoloping tube well with air compresssor pump and engine for 8 (eight) hours contineous pumping per day with necessary 5 arrangements for testing the yield in gallon per hour with V notch including hire and labour charges for all tools and plants scaffolding as required.

Add GST @ 18%

Add CESS @ 1%

RABINDRA NATH KHAN (BID ID -5769806)

TAPAN KUMAR DEY (BID ID -5769838)