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Repairing & maintenance of various diameter rising main (1000 mm to 150 mm) generated from BS-I to Fultala-I, Fultala-II, R25, R26, R27, R28, R29, R30, R31, R32, R33, R34, R35, R36, R37, R38 & R39 under Surface Water Based Water Supply Scheme in the Arsenic affected areas of South 24-Pgns. District. (Total length of rising main = 88235 mtr.) [For 01 year] ( as per Annexure-I)

Daily operation and maintenance by opening and closing all dia mtr. of Sluice Valves over the rising main as and when necessary and as per direction of Engineering-in-Charge or his authorised representative by engaging one semi skilled labour including cleaning the valve chamber, dewatering etc. complete.

Daily wages of Valve Operation cum Guard to be paid (minimum wages Rs. 487.00 / day) = Rs 465.57 (This is including Bonus @ 8.33% & excluding Rs. 62.00 as Employee's contribution of EPF & ESI )

i) Total including Bonus @ 8.33%= (Rs. 487.0 x 8.33% + Rs 487.00) = Rs 527.57 to be paid during festivals like Durga Puja / Id-ud-Zoha etc. once in the year.

ii) Overhead Expenses @ 5%= (Rs. 487.00 x 5% + Rs 487.0) = Rs 551.92 to be paid during festivals like Durga Puja / Id-ud-Zoha etc. once in the year.

Adding Employer's Contribution of EPF @ 13% & ESI @ 3.25%= Rs. 684.00 4 Men x 365 days =1460 man days

Add GST @ 18% (except item no. 1 & 16 of Annexure-I) and Sl. No. 2 of BOQ

Add CESS @ 1% (except item no. 1 & 16 of Annexure-I) and Sl. No. 2 of BOQ including GST