CONSTRUCTION OF RECHARGE PIT WITH FILTER MEDIA FOR RECHARGE SHAFT YEAR 2022-23

Amount

Drilling of 150 mm dia. Borewell By DTH Rig with transportation of Rig machine to site (Ref.Directorate, G.S.D.A.,Pune Approved Rates for 2022-223 vide Letter No.4735 dated 19.09.2022)

Providing ,Supply & Lowering 180 mm dia.PVC Slotted Casing pipe (Ref.Directorate, G.S.D.A.,Pune Approved Rates for 20212-23 vide Letter No.4735 dated 19.09.2022)

Providing ,Supply & Fixing 180 mm dia.PVC Borewell Endcap. (Ref.Directorate, G.S.D.A.,Pune Approved Rates for 2022-23 vide Letter No.4735 dated 19.09.2022)

Site preparation/Cleaning.

Item No. 1- Excavation In Soft murrum for filter pit etc. Complete. (Ref.Soil & Water Conservation Dept.CSR 2020-21, Section-2. Sr.No.1, Page No- 23) basic rate Rs. 33.40 +18% GST Rs 6.01 = Rs. 39.41

Item No. 2- Excavation in Hard murrum for filter pit etc.complete.(Ref.Soil & Water Conservation Dept.CSR 2020-21, Section-2. Sr.No.2, Page No- 23) basic rate Rs. 43.30 +18% GST Rs 7.79 = Rs.51.09

Item No. 5- Providing & Filling fine sand as filter media inside the Pit (Ref. MJP Schedule of Rates 2021-22 section M, Sr.No.10 e, Page No- 230) basic rate Rs. 1420.00+18% GST Rs.255.60= Rs. 1675.60

Inner - 0.785*1.2*1.2*0.40=0.45 Outer -3.14*2*0.30*0.40=0.75 , Total = 1.21

Item No. 6- Providing & Filling 6-12 mm gauge pebbles as filter media inside the Pit. (Ref. MJP Schedule of Rates 2021-22 section M, Sr.No.10 c, Page No- 230) basic rate Rs. 2239.00+18% GST Rs.403.02= Rs. 2642.02

Inner - 0.785*1.2*1.2*0.50=0.57 Outer -3.14*2*0.30*0.50=0.94 , Total = 1.51

Item No. 7- Providing & Filling 12-20 mm gauge pebbles as filter media inside Pit (Ref. MJP Schedule of Rates 2021-22 section M, Sr.No.10 b, Page No- 230) basic rate Rs. 1988.00+18% GST Rs.357.84= Rs. 2345.84

Inner - 0.785*1.2*1.2*0.50=0.57 Outer -3.14*2*0.30*0.50=0.94 , Total = 1.51

Item No. 8- Providing & Filling 40 mm guage pebbles as filter media inside Pit (Ref. MJP Schedule of Rates 2021-22 section M, Sr.No.10 a, Page No-230) basic rate Rs. 1688.00+18% GST Rs.303.84= Rs. 1991.84

Inner - 0.785*1.2*1.2*0.60=0.68 Outer -3.14*2*0.30*0.60=1.13 , Total = 1.81

Providing Chicken Mesh of wrapping around the PVC casing pipe including 5% fabrication losses etc. complete (PWD schedule of rates 2021-22. Bd-T 21, page no. 374. Basic rate 2705 per Sq. mtr. + 18% 487 GST = 3191.9)

Providing R.C.C. pipes in standard 2.0 M lengths of NP-II class and 1200 mm diameter 70 mm thick and with 100 mm weep holes for water percolation including materials labours transportation required etc., As per MJP SSR 2021-22, Section-I(V):R.C.C Pipes, Page No.-97, Sr. No.-1d[xviii] Basic rate Rs. 4963.00+12%GST Rs. 893.34= Rs.5856.34

Lowering, laying and jointing in proper grade and alignment R.C.C. pipes with collar joints in C.M. 1:1 proportion including cost of conveyance from stores to site of work, cost of jointing material, labour, etc(Ref. M.J.P. n Schedule of Rates 2020-21 Section I(V), Sr.No-2-xv[c], Page No-98) basic rate Rs. 1033.00+12%GST Rs 185.94= Rs. 1218.94

Providing and laying in situ Cement Concrete Cover Cap of trap/ granite / quartzite /gneiss metal for RCC work in foundation like raft, grillage, strip foundation and footing of RCC columns and steel stanchions including normal dewatering, form work, compaction, finishing and curing, etc. complete in RCC M-150. Providing and fixing RCC precast cover in RCC 1:2:4 proportion 1.20 M dia and 100 mm thick with 100 mm weep holes including materials labours transportation required etc. completed as directed by Geologist-in-charge. [1*0.785*(1.2*1.2)*0.10=0.1130]

Photography & Video Shooting etc. complete per Recharge Shaft (min.3 Photos & Video Shooting i.e., initial stage, work in progress stage and completion stage each ) Ref. SOP of GSDA, Basic rate Rs. 150(Per Photo & Video Shooting)* 3 Photos=450 +18%GST Rs.81.00=Rs. 531

Providing and fixing informatory sign board etc completed. size - 1.2*0.90=1.08sq.m (B & C, CSR 21-22, P.NO.46, I.NO.6.33.)Providing and fixing Recharge shaft information board of 1.2*0.75m prepared on 16 guage M.S. sheet with angle iron frame of size 35*35*3mm with cross bracing of size 25*25*3 mm including painting with one coat of zink chromate storing primer and two coats each of green/white background and back side grey store enamelled bonded with red retro reflective sheet engeeneering grade, border/letters/numeral/arrows coated with non pealable crystal clear protective transperent coat retaining 100% refection including two angle iron post size 50*50*5 mm of 3.65 long inflated at bottom drilled on top and painted in white and black bonds of 30cm with 4 numbers high strength of G.I. bolts and nuts size of 10mm diam. and 20 mm long sheet and iron angle post in one piece without joints including all taxes, conveying, fixing in ground with cement concrete M-15 block of size 60*60*75 cm as directed by engeeneer incharge, including 1% Labour welfare. (Soil & WCD CSR Item No 69 Page No. 43)

NITIN WASUDEORAO PATHADE

Santosh J Bondarde

Mahalakshmi Borewell