Construction of Recharge Shaft in Aquifer in MJSA Third Phase area Deogarh

नीव] खाई] परनाला में 1-5 गहराई तक मिट्टी की खुदाई करना] तल को कूटना] पानी डालना] बगल को संवारना] खुदी मिट्टी को बाहर निकालना] नीव भरने के बाद खाली स्‍थानों को पुन: मिट्टी से भरना तथा बची हुई मिटटी को 50 मीटर की दूरी तक निस्‍तारण करनाA सख्‍त] चिकनी] कंकर मिट्टी में (RDPR BSR 2026 Item No. 2(b))

vkj-lh-lh- dk dqaos ds fy;s dZo rS;kj djuk rFkk dqosa esa cSBkukA 1-5 ehVj O;kl ¼'kVfjax 3-1 oxZ ehVj½ (RDPR BSR 2026 ITEM NO-171 C)

vkj -lh-lh ds pDdj 5 lseh eksVh rFkk 38 lseh Åaph 1%2%4 lhesUV dzdhaV ls cUkkuk rFkk dq, esa fcBkuk] xksykbZ esa 6 feeh O;kl dh 3 NMs rFkk [kMh ckU/kus es 7-5 lseh dsUnz ls dsUnz dh nwj ckU/kdj QekZ cukuk lkfey gS] ckn esa ikuh jlus ds fy, Nhnz cukukA 1-5 ehVj O;kl ¼'kVfjax 3.69 oxZ ehVj½ (RDPR BSR 2026 ITEM NO-172 C)

Construction of tube well from ground level & up to 100 mtr depth to accommodate housing and assembly pipe of following sizes in all type of alluvium strata unconsolidated formation such as pebbles, boulders etc. by percussion/rotary drilling method as per IS:2800 Part 1: 1991 and IS:2800 Part II: 1979 (both amended upto date) and technical specifications, with gravel as per IS:4097-1967 and it's packing as per IS: 2800 (Part I & II) 1979 as amended up to date (the work includes the cost of gravel & it's primary packing and packing during development, lowering of housing & strainer assembly pipes with supply and wrapping of coir-rope, wherever necessary for arresting fine sand particles and development work, but excluding the cost of housing and strainer pipe assembly). The work would be completed after obtaining sand free water.Nominal bore 200 mm dia. Revised BSR PHED 2023 Chapter No. 2 Item no.2.1.2

Supply of ERW M.S. black casing pipe ISI marked (IS: 4270/2001) or amended up to date of size 200 mm dia NB (Thickness of pipe 5.4mm & mass of tube 28.46 Kg/m) Revised BSR PHED 2023 Chapter No. 2 Item no.2.11.2

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. 200 mm dia nominal bore of 5.4mm thickness. Revised BSR PHED 2023 Chapter No. 2 Item no.2.12.3

Supply & Fixing tube well cover of MS sheet 8mm thick at top & 5mm thick 100mm wide shroud around the edge so as to form a cap on the top end of casing pipe with GI Nipple 45cm long & two GI flanges at both ends in 80mm sizes passing through a hole in the centre of MS sheet. A 25 mm socket with end plug shall also be welded over top plate. A GI nipple having outside thread of size 1/2" (for installation pressure gauge) shall be provided & welded with 80mm GI nipple near top plate nipple shall be provided with end plug. 200 mm dia Revised BSR PHED 2023 Chapter No. 2 Item no.2.23.3

सीमेंट कंक्रीट 1 सीमेंट : 4 बजरी तथा 8 गिट्टी पत्‍थर की 40 मिमी नामीय माप की नींव में डालना,कूटना तथा तराई आदि सहित। (RDPR BSR 2026 item no.15 A)

For base formation

After completion outer side of curve