DEEP TUBE WELL SCHEME DTWS AT SAHARI GP RAHA POINT NO 2 UNDER SOPD FOR THE FINANCIAL YEAR 2022_23_pkg2

Amount

Detailed estimate for final survey

Carrying out block contour survey of the commanded area covering stream, dong, channel, road etc. and the whole area considering square block system and spot system and spot levels are to be within 30 M x 30 M for preparation of contour including clearing light jungles, chaining, pegging holding staff, umbrella and compass lining etc. where required, complete as directed.

Supplying sal wooden peg of different sizes including pointing one end etc. complete as directed. Size = 5.0 cm x 5.0 cm x 60 cm

Supplying sal wooden hammer of of size 15 cm x 10 cm with 45 cm long & 5 cm wooden handle etc. complete as directed.

Construction of RCC BM Pillar of size 0.15 M X 0.10 M in proportion 1:2:4 with required reinforcement including E/W in excavation, brick soling, centering, shuttering and propping, etc. complete as directed.

Construction of P.V.C. distribution system

Earthwork in excavation in foundation of canal structures in all types of soils as per design and drawing dressing the foundation, soaring etc. removing the surplus spoils by head load to safe distance from the working place and depositing the required spoils in uniform layers, dressing, watering, breaking clods to not more than 10 mm cube with compensation, complete as directed at site. (Including bailing out stagnant rain water where necessary). a. All type of soil except soil mixed with gravel and boulders For normal lead of 30m and lift of 1.50m

Supplying fitting fixing of P.V.C. pipe (IS 12818, 6kg/cm2 ) , joining pipes with relevant cement ,levelling , testing leakages etc. complete as directed .(Cost of earth work foundation trenches will be paid separately) A)110mm dia

Supplying fitting fixing of P.V.C. pipe (IS 12818, 6kg/cm2 ) , joining pipes with relevant cement ,levelling , testing leakages etc. complete as directed .(Cost of earth work foundation trenches will be paid separately) A)160mm dia

Supplying, fitting, fixing 110 mm dia PVC rising pipe from the toe of main line including local carriage, testing leakage etc, complete as directed.ITEM NO.19.7

Supplying, fitting, fixing PVC unequal tee joining with pipes with solvent cement, testing leakages etc, complete as directed. ITEM NO.19.3 (iii)

Supplying, fitting, fixing PVC equal tee joining with pipes with solvent cement testing leakages etc, complete as directed. (i) Size : 110 mm x 110 mm x 110 mm ITEM NO.19.2(i)

Supplying, fitting, fixing PVC bend pipe size joining with pipes with solvent cement, testing leakages etc complete as directed. i) For 110mm/90°. ITEM NO.19.5(i)

Supplying, fitting, fixing, joining of PVC end cap fitting with solvent cement as per specification including local carriage, testing leakage etc, complete as directed. i) For 110 mm dia. ITEM NO.19.9(i)

Supplying, fitting, fixing PVC reducer joining with pipes with solvent cement, testing leakages etc, complete as directed. ITEM NO.19.4(i)

Cost of PVC Tail Piece ( As per market rate)

Construction of Spout Chamber

Earthwork in excavation trenches of wall, retaining wall, footing of column, steps and septic tank including refilling the quantity as necessary after the complete of work breaking clods in return filling dressing watering and ramming etc. and removing surplus earth all lead and lift up to 2.00m as directed and specified in following classification of soil including bailing out water where necessary up to a depth of below the existing G.L. mentioned in approved drawing and as directed in the specification in ordinary soil.

Soling in foundation in floor at all level septic tank etc. including filling interstices ramming etc. complete as directed and as specified thickness . (i) 9 cm brick on flat including sand packing.

1st class brick work in cement mortar in abutment and wing wall, parapet wall tc.including racking out joints and curing etc. complete in prop. 1:4 .

CC work in proportion 1:3:6 in foundation / abutment / piers / wing walls etc. with hard broken stone aggregate of size 13 mm to 38 mm including curing, bailing out water with necessary timber shuttering, scaffolding etc. where necessary complete as directed. (Shuttering, scaffolding cost will be paid separately)..

CC work in proportion 1:2:4 in foundation / abutment / piers / wing walls etc. with hard broken stone aggregate of size 6 mm to 20 mm including curing, bailing out water with necessary timber shuttering, scaffolding where necessary, complete as directed. (Shuttering, scaffolding cost will be paid separately).

12 mm cement plastering including clearing surface and curing, complete as directed. (i) In proportion 1:3

Centering and shuttering including propping etc where necessary and removal of forms after completion of CC and RCC works, complete as directed. (Measurement to be taken on the face area timbered). (a) Shuttering (Column)

Supply, fitting, fixing of heavy duty CIDF sluice valve inside screw , non raising, vertical spindle type with ahnd wheel operation, need for water purpose. The rotation of closing should be counter clockwise. The hole of the flange should be drilled as per BSS No. 10, part-I, Table-D. All materials construction and components should strictly conform to IS:14846-2000 and having marked with manufacturers name and trademark in the delivery pipe outlet as directed/ as drawing along with HD GI Flange , pipe jointig materials and painting in cmplete as directed. 100 mm dia

Construction of goat proof boundary fencing

Earthwork in excavation trenches of walls, retaining walls, footing of columns, steps and septic tank including refilling (return filling) the quantity as necessary after completion of works, breaking clods in return filling, dressing, ramming, watering etc. and removal of surplus earth with all lead and lift upto 2 metre as directed and specified in following classification of soils, including bailing out of water where necessary upto depth below the existing ground level as mentioned in the approved drawing and complete as directed and specified.

CC work in proportion 1:3:6 in foundation / abutment /piers / wing walls etc.with hard broken stone aggregate of size 13 mm to 38 mm including curing, dewatering with necessary timber shuttering, scaffolding etc. where necessary, complete as directed. (Shuttering, scaffolding cost will be paid separately).

Supplying fitting fixing and laying reinforcement (TATA) in position in RCC work including cutting, bending, cranking with two piles 0.91 M (20 BWG) annealed wire hooking tying, complete as directed

Centering and shuttering including propping etc where necessary and removal of forms after completion of CC and RCC works, complete as directed. (Measurement to be taken on the face area timbered).

RCC work in slab, abutment cap and above abutment, pier cap, pedestals, dirt wall etc. in proportion 1:1½:3 with hard broken stone aggregate of size 6 mm to 20 mm with proper reinforcement as per design including necessary curing, dewatering etc. complete as directed with necessary timber shuttering, scaffolding etc. where necessary, complete as directed. (Shuttering, scaffolding cost will be paid separately)

CC work in proportion 1:1½:3 with hard broken river stone aggregate of size 6 mm to 20 mm including curing, dewatering with necessary timber shuttering, scaffolding where necessary, complete as directed. (Shuttering, scaffolding cost will be paid separately).

12 mm cement plastering including clearing surface and curing, complete as directed. In prop 1:4

Supplying fitting fixing barbed wire fencing of height 1.20 M with 9 nos. of standard barbed wires of 12 BWGx 2 poles x 4 bricks at 15 cm interval including fixing with standard eye bolts and staples with angle iron post of size 50 mm x 50 mm x 5 mm duly sloted and embedded in CC base of size 25 cm x 25 cm x 75 cm below ground in proportion 1:2:4 to be placed 2 M apart with corner strut 2 nos. of same dimension will be placed every 10 M interval, including painting 2 coats to all iron works with anti-corrorrosive red paint etc, complete as directed.

Supplying and fixing turn buckles and straining bolts For barbed wire fencing.

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.10.25.2 In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

Distempering 2 coats including painting 2 coats to batten with approved paint, complete as directed

Construction of Approach Road

Earthwork in filling in Marginal bund / Guide bank / Afflux bund / Canal embankment etc. to the design section and grade by obtaining earth from outside borrow pits and filling in uniform layer not exceeding 15cm thick including clearing light jungle, removing trees upto 15 cm dia and uprooting roots and stumps from the seat at embankment and borrow pit area, breaking clods not more than 10mm cube, ramming, watering, dressing and roughening the seat of embankment, profiling etc. Paying compensation of earth borrowed from private or forest land if any, lead upto 30 M and lift upto 1.5 M complete as directed. A) Ordinary soil

Collection of sand gravel (40% sand and 60% gravel of size 25 mm to 60 mm) free from dust and dirt including stacking in measurable stacks at quarry site and making payment of forest royalty etc. as directed complete.

Labour charges for spreading hard river shingles / sand gravels to required thickness over approach subway etc. including ramming, dressing the seat before laying the materials lead upto 30.00 M and lift 1.50 M. Complete as directed.

Construction of Pump House

Earthwork in excavation trenches of walls, retaining walls, footing of columns, steps and septic tank including refilling (return filling) the quantity as necessary after completion of works, breaking clods in return filling, dressing, ramming, watering etc. and removal of surplus earth with all lead and lift upto 2 metre as directed and specified in following classification of soils, including bailing out of water where necessary upto depth below the existing groundlevel as mentioned in the approved drawing andcomplete as directed and specified. In ordinary soil

Soling in foundation at all levels including filling intersides, ramming etc complete as directed and of specified thickness with 9 cm brick on flat including sand packing.

CC work in proportion 1:3:6 in foundation / abutment / piers / wing walls etc. with hard river shingles of size 13mm to 25 mm including curing, dewatering with timber shuttering, scaffolding etc. where necessary, complete as directed. (Shuttering, scaffolding cost will be paid separately).

Supplying fitting fixing and laying reinforcement (TATA) in position in RCC work including cutting, bending, cranking with two piles 0.91 M (20 BWG) annealed wire hooking tying, complete as directed.

Centering and shuttering including propping etc where necessary and removal of forms after completion of CC and RCC works, complete as directed. (Measurement to be taken on the face area timbered).

RCC work in slab, abutment cap and above abutment,pier cap, pedestals, dirt wall etc. in proportion 1:1½:3 with hard broken stone aggregate of size 6 mm to 20mm with proper reinforcement as per design including necessary curing, dewatering etc. complete as directed with necessary timber shuttering, scaffolding etc. where necessary, complete as directed. (Shuttering, scaffolding cost will be paid separately).

1st class brick work in cement mortar in abutment and wing wall, parapet wall etc, including racking out joints and curing etc, complete as directed. In prop 1:3

125 mm thick 1st class brick nogged wall in cement mortar in proportion 1:4 including racking out joints curing etc, complete as directed. (i) 75 mm thick

CC work in proportion 1:2:4 in foundation / abutment / piers / wing walls etc. with hard broken stone aggregate of size 6 mm to 20 mm including curing with necessary timber shuttering, scaffolding where necessarycomplete as directed. (Shuttering, scaffolding cost will be paid separately).

12 mm cement plastering including clearing surface and curing, complete as directed. In prop 1:4

River sand filling in plinth, canal bed, canal slopes, bases of structure, etc in layers not more than 150 mm thick including necessary carriage, watering etc, complete as directed as specified

65 mm thick traced flooring with cement concrete in proportion 1:2:4 with broken stone aggregate of size 6 mm to 20 mm over one 1st class brick flat soling including sand packing of the voids in between the bricks, watering, ramming properly where necessary etc. complete and 12 mm thick cement plastering. Finishing on top trowelling, altering, curing, complete as directed. (Brick soling to be paid seperately).

Providing and fixing 1mm thick M.S. sheet door with frame of 40x40x6 mm angle iron and 3 mm M.S. gusset plates at the junctions and corners, all necessary fittings complete, including applying a priming coat of approved steel primerproviding and fixing of projecting hinges (not more than 65mm and not less than 15mm wide) bolting device and steel handles, peg stays of 300mm long etc. complete as per drawing including applying a priming coat of red-lead paint.

Distempering 2 coats including painting 2 coats to batten with approved paint, complete as directed

Wall painting with premium acrylic emulsion paint of interior grade,having VOC (Volatile Organic Compound ) content less than 50grams/ litre of approved brand and manufacture, including applying additional coats wherever required to achieve even shade and colour. (Two coats)

Finishing walls with textured exterior paint of required shade:13.45.1 New work (Two or more coats applied @ 3.28 ltr/10 sqm)over and including priming coat of exterior primer applied @ 2.20kg/10 sqm

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete. 10.16.1 Hot finished welded type tubes

Providing galvanized C.I. sheet roofing including supplying fitting and fixing necessary galved, screws / iron "J" hooks bolts and nuts and washers etc. complete as directed including cost of roof truss (measurement on net roof area) 0.63 mm thickness (24 B.W.G).

Boring with 100 mm diameter casing pipe for hand pump / tubewell, in all soils except ordinary hard rocks requiring blasting, including removing the casing pipe after the hand pump / tube well is lowered and tested :

Providing and fixing to filter and lowering to proper levels 40 mm G.I.pipe for tube well including cleaning and priming the tube well

Providing and placing in position hand pump of approved quality for 40 mm diameter G.I. pipe complete with all accessories

Earthwork in filling in Marginal bund / Guide bank / Afflux bund / Canal embankment etc. to the design section and grade by obtaining earth from outside borrow pits and filling in uniform layers not exceeding 15 cm thick including clearing light jungle, removing trees upto 15 cm dia and uprooting roots and stumps from the seat of embankment and borrow pit area, breaking clods not more than 10 mm cube, ramming, watering, dressing and roughening the seat of embankment, profiling etc. Paying compensation of earth borrowed from private or forest land if any, lead upto 30 M and lift upto 1.5 M, complete as directed.

Construction of Sign Board

Supply of sign board made of 1.60mm thick MS iron sheet fitted with steel frame of size 1.05 m x 0.75m fixed with 2 Nos. 50mm dia GI (medium) pipes 2.10m above and 0.60m below ground fitted with C.C. work in proportion 1:3:6 and size 0.45m x 0.45m x 0.60m below ground including painting with approved paint including writing letters complete as directed.

Boring, installation of Tube well along with supply fitting, fixing of surge tank and 20 HP pump sets along with all GI fittings

Movement of drilling Rig , Tools & Plants, Accessories including drill pipes, casing pipes etc. to drilling site and back.

Boring of DTW of bore hole up to 600mm dia up to a depth of 110 M or up to required depth by RC/DR Drilling Rig including supply and transportation of all required tools & Plants, materials & labour to site to perform the job in complete as directed in alluvium areas ( means areas where the strata comprises of loose, unconsiolidated materials like clays, silts, sands gravels, pebbles, cobbles and boulders) as per IS:2800 (part-1) of 1991. ( soil sample must be collected & keep properly at every 3.00 M interval of depth in boring. The job also include movement of rig by making temporary approach road etc. to the field up to distance of 1000M)t

Supply, lowering & installation in tube well 300mm PVC housing pipe for casing assembly of wall thickness of 11.2 mm to 14.5 mm including supply of well cap, sockets, MS housing clamps etc. as required as per IS : 12818-1997 of length 3.00 M of repute brand like Oriplast / Jindal / Prince etc. and as directed. ( Litholog Assembly diagram must be approved by Engineer-in-Charge of the work prior to installation)

Supply, lowering & installation in tube well 200mm PVC housing pipe / blind pipe of wall thickness of 10.0 mm to 11.2 mm for casing assembly including supply of well cap, sockets, reducer, MS housing clamps etc. as required as per IS : 12818-1997 of length 3.00 M of repute brand like Oriplast / Jindal / Prince etc. and as directed. ( Litholog Assembly diagram must be approved by Engineer-in-Charge of the work prior to installation)

Supply, lowering & installation in tube well 200mm PVC Ribbed Screen Filter pipe of wall thickness of 10.0 mm to 11.2 mm for casing assembly including supply of sockets, reducer etc. as required as per IS : 12818-1997 of length 3.00 M/2.00 M of repute brand like Oriplast / Jindal / Prince etc. and as directed.( Litholog Assembly diagram must be approved by Engineer-in-Charge of the work prior to installation)

Shrouding the DTW assembly by river pea gravel of size 4 mm to 8 mm free from sand / dust and any other foreign materials after screening / stacking at site including supply, transportation, labour etc. complete as directed.

Developing the tube well assembly by Air-Compressor of capacity 8-12 kg/cm2 and CFM=450 M3/min so as to get sand free discharge of water with supply of all required materials at site complete as directed including furnishing of litho-log / draw down data etc. as per IS : 11185 of 1999. ( For new DTW minimum 72 hours development is compulsory. Additional pea gravel required if any, during development would be extra) The following data should be reflected in the report of development 1. Static water level 2. Drawdown at various discharge 3. Available average discharge

Supply, fitting-fixing of delivery pipes of 150 mm dia GI / fabricated GI pipes ( HD of repute brand with ISI marked) with flange at both end / wherever required with pipe jointing sets, including painting in complete as per drawing / specification including temporary pipe support as required and as directed.

Supply, Fitting-fixing of Heavy duty CIDF sluice valve inside screw, non raising, vertical spindle type with hand wheel operation, need for water purpose. The rotation of closing should be counter clock wise. The holes of the flange should be drilled as per BSS No. 10, part-I, Table-D. All materials construction and components should strictly conform to IS: 14846 – 2000 and having marked with manufacturers name and trade mark in the delivery pipe layout as directed/ as per drawing along with HD GI flange, pipe jointing materials and painting in complete as directed. 150 mm dia

Supply, Fitting-fixing of Heavy duty CIDF Reflex valve, swing check type, with by pass arrangement, horizontal operating. The holes of the flange to be as per BSS No. 10, Part-I, Table- D and the material, construction and all components should strictly conform to IS : 5312 (Part-I) – 2004 and having marked with manufacturers name and trade mark in the delivery pipe layout as directed/ as per drawing along with HD GI flange, pipe jointing set and painting in complete as directed.150 mm dia

Fitting-fixing of MS/ GI Tee of 150 mm with GI/ fabricated GI pipes with flange at three end and pipe jointing sets, including painting as per drawing & specification as directed

Fitting-fixing of MS/ GI bend of 150 mm dia x 450 /900 /1200 with GI/ fabricated GI pipes with flange at both end and pipe jointing sets, including painting as per drawing & specification as directed.

Supply, fitting-fixing of surge tank of size 900m dia x 1250mm long made of 4mm MS plate with raiser assembly of size 75mm dia x 6.0m long and S-band of size 200mm x 1600mm long made of 4mm MS plate including painting the above with one coat of synthetic enamel primer fllowed by 2 (two) coats of successive synthetic enamel/ bituminous black paint and made provision for mounting the surge tank on a specified foundation by nuts & bolts of suitable size as per drawing & specification as directed.

Installation of 16 KW (or 16000 Watt) off grid Solar Photovoltaic Power Plant for energizing the 15 HP submersible pump set

(a) Supply, fitting-fixing and testing & commissioning of Solar PV modules conforming to IEC 61215 specification or equivalent National or International standards consisting of solar panels framed in anodized aluminium frame of 17,280 Wp (approx.) considering 4.5 kWh/ M2/ Day of solar insolation under standard test condition on horizontal surface with tolerance (+/-) 15% and hot dipped galvanized(minm 80 micron thickness) mounting mild steel structure of rectangular hollow sections, angles, heavy duty pipes of dia 150 mm (all materials duly IS marked ) for providing sufficient strength with dual axis manual tracking arrangement which can withstand load of modules and high wind velocities upto 150 Km/hr including RCC foundation designed against all possible loads (Dead, Live and imposed load), Controller conform to IEC 61683–1999 & IEC 60068-1-2, IEC 60068 – 2- (2, 14, 30, 78) ( The series and parallel combination of Solar Modules to be done in such a way that Jalverter/ Controller input voltage requirement is met i.e. System Vmp > 587 V & System Voc < 800 V) and necessary connection cables, pipes to the water trough and other accessories, etc. complete in all respect as directed. (Controller to be installed with suitable arrangement on the body of the pole of mounting structure with rain proof provision. SPV panel should be of reputed make like TATA/Bikram/ Waaree etc. and carry at least 20 years warrenty & comprehensive maintenance for 1 year and should installed preferably above HFL) (b) Earthing with 50 mm dia GI pipe 3.64 mm thick x 3.04 Mts. long and 1 x 4 SWG GI (Hot Dip) wire (4 Mts. long), 13 mm dia x 80 mm long GI bolts, double nuts, double washers incl. S & F 15 mm dia GI pipe protection (1 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 Mts. Below the ground level as below: (a) By ISI-Medium GI pipe including excavation of soil for installation of Earth Electrode and filling & ramming and connecting to individual structure to earth electrode including S&F 20 mm x 3 mm galvanized (Hot Dip) MS flat on wall/floor with GI saddles as required and connection to equipments incl. drilling holes, with bolts, nuts, washers etc. (c) Lightning protection (Arrestor)(pole mounted)(: Lightning protection with 3" X 1.5" G.I pipe of 4 mts height with base flange in proper RCC foundation and S & F Lightning Conductor Air Terminal made of 20 mm dia 1000 mm long GI pipe (ISI Medium) having five discharge prongs of 4 SWG GI (Hot Dip) wire at top duly soldered with 7/16 stranded GI (Hot Dip) wire and 85 mm dia 6 mm thick GI base plate at bottom incl. necessary holes etc including supply & fixing GI (Hot Dip) strips 20 mm x 3 mm thick for horizontal run on the /Roof with GI Saddles 1100 mm apart. ( As per MNRE circular 2019-20 )

Construction of base pillar for Solar Module Mounting Structure ( For four number pillar)

Earth work in excavation for foudation trenches including filling up sides of trenches and removal of spoils after completion of foundation , dressing, ramming, shoring etc. complete including bailing out water where necessary in ordinary soil.

Soling in foundation in floor at all level septic tank etc. including filling interstices ramming etc. complete as directed and as specified thickness (i) 9 cm brick on flat including sand packing.

CC Work in proportion 1:3:6 in foundation /abutment/ pier/wing walls etc. with hard broken stone aggregate of size 13 to 38 mm including curing with necessary shuttering , Scafolding etc. where necessary, complete as directed. (shuttering where necessary shall be measured and paid separately).

Supplying fitting fixing and laying reinforcement (TATA) in position in RCC work including cutting, bending, cranking with two piles 0.91 M (20 BWG) annealed wire hooking tying complete as directed.

Centering and shuttering including propping etc where necessary and removal of forms after completion of CC and RCC works as directed complete. (Measurement to be taken on the face area timbered). (C) Shuttering (Column)

C.C. in R.C.C. work as specified and directed and including curing etc. (reinforcemcnt and shuttering to be measured and paid separately) the line aggregate shall be approved clear river sand of course variety and shall be 5 mm down wyrk and not to be pass through a 25 IS sieve (width of apparatus is 0.25 mm) the course aggregate shall be cubical, hard perfectly clean and free from clay and adherents impurities and chemically inter broken stone chips of approved quantity and shall pass through 19 mm mesh without squeezing and be retained on 15 mm mesh. The fine and Crouse aggregate shall be well graded and evenly distributed between the limits and mixes shall be made with adequate quantity of clean water required to have the strength as specified in I.S CODE.

Earthwork in back filling of structures, obtained from outside borrow pits filling in 15 cm layers, ramming, dressing, watering, including paying compensation of land if any (with lead up to 30 M and lift 1.5 M).

MS Nuts & Bolts(20 mm dia bolt)

Paban Kumar Borah

RABIN CHANDRA SARMAH