Construction of recharge shaft

Item No. 1 - Drilling Of 150 mm dia. borewell in hard rock 150 mm by D.T.H. Rig machine with transportation of rig machine at work site. (Ref. Directorate, G.S.D.A., Pune Approved Rates for Year 2023-24 vide Letter No. 4304/2023dated 04/10/2023)

Item No. 2 - Providing, Supply & Lowering 180 mm dia. 6 kg/cm2 PVC casing pipe. (Ref. Directorate, G.S.D.A., Pune Approved Rates for Year 2023-24 vide Letter No. 4304/2023dated 04/10/2023)

Item No. 3 - Providing 6 mm dia slots for 180 mm dia. 6 kg/ cm2 PVC Casing pipe asper given drawing.

Item No. 4 - Providing, Supplying & Fixing 180 mm dia 6 kg/ cm2 PVC Borewell Endcap. (Ref. Directorate, G.S.D.A., Pune Approved Rates for Year 2023-24 vide Letter No. 4304/2023dated 04/10/2023)

Item No. 5 - Cleaning grass and removal of rubbish up to a distance of 50 meters outside the periphery of the area as directed. (Ref. Soil & Water Conservation Dept. CSR 2022-23, Section - 7 (Maintenance & Repair including Drip), Item No.168, Page No-75)

Item No. 6 - Excavation for foundation/pipe trenches in earth, soils of all types, sand, gravel, & soft murum, including removing the excavated material upto a distance of 50 meters and lifts as below, stacking and spreading as directed, normal dewatering, preparing the bed for foundation and excluding backfilling, etc. Complete. (Bd-A-1/259)(Ref. M.J.P. Schedule of Rates 2023-24 Section-E, Sr. No-1,Page No-37)

Item No. 7- Excavation for foundation/pipe trenches in hard murum, including removing the excavated material upto a distance of 50 meters and lifts as below, stacking and spreading as directed by Engineer-in-charge, normal dewatering, preparing the bed for foundation and excluding backfilling, etc. Complete. (Bd-A-2/259)(Ref. M.J.P. Schedule of Rates 2023-24 Section-E, Sr. No-2,Page No-37)

Item No. 8 - Providing & laying in situ Cement Concrete M-15 of trap/granite/quartzite/gneiss metal for foundation and bedding including bailing out water, form work, compaction, curing, etc. complete. (Cement 5.90 bags/Cum) In PCC M-150 (Spec. No. - Bd E/1 Page No.287 and B-7, Page No.38) (Ref. M.J.P. Schedule of Rates 2023-24 Section-G, Sr. No-1b,Page No-47)

Item No. 9 - Pebbles as filter media - stone aggregate 10 mm. (Ref. M.J.P/SSR/ 2023-24/Item No. 49/Page No-13)

Item No. 10 - Pebbles as filter media - stone aggregate 20 mm. (Ref. M.J.P/SSR/ 2023-24/Item No. 50/Page No-13)

Item No. 11 -Pebbles as filter media - stone aggregate 40 mm. (Ref. M.J.P/SSR/ 2023-24/Item No. 51/Page No-13)

Item No. 12 - Providing Chicken mesh of wrapping around the PVC casing pipe including 5% fabrication losses etc. Complete.(Ref. P.W.D. Schedule of Rates 2022-23 Bd-T Sr. No.21, Page no. 530)

Item No. 13 - Providing ISI Standard R.C.C Pipe, 900 mm dia Class-NP-III. (Ref. M.J.P. Schedule of Rates 2023-24 Section- I(V),Sr.No-1-e(xv)[c], Page No- 109)

Item No. 14 - Providing Weep holes for ISI Standard R.C.C Pipe, 900 mm dia Class-NP-III during pre casting of pipes of dia. 3 inch. (Ref. M.J.P. Schedule of Rates 2023-24 Section- B,Sr.No-19, Page No- 14)

Item No. 15 - Lowering, laying RCC pipe of 900 mm dia, complete. (Ref. M.J.P Schedule of Rates 2023-24 Section I(V), Sr. No-2-xv[c],Page No-110)

Item No. 16 - Providing & Fixing R.C.C. cover cap (100mm thickness) for 900 mm dia. R.C.C. pipe with two hooks for lifting and handling etc. complete With embossing GSDA LOGO with ''GSDA'' name in Marathi on RCC Cover cap. (Market Rate- Quotation based)

Item No. 17 -Preparing the male female slots as per the drawings & details provided by the Engineer in charge. (Market Rate- Quotation based)

Item No. 18 -Drilling hole of 12 mm for upper side of RCC ring two side and also for lower side of RCC ring cover cap two side for fixing of nut-bolt. (Market Rate- Quotation based)

Item No. 19 - Providing and fixing of nut-bolt size 12mm dia and 3.5- inch length. (Market Rate- Quotation based)

Item No. 20 Photography & Video shooting etc. complete per Recharge Shaft (min 3 photo i.e.initial stage, work in progress stage and completion stage). Lumpsum amount.

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