Construction of solar powered DTW I/S at Halodhibari Konwar Gaon area at Halodhibari GP (3 Pts) under SOPD for the year 2020-21

Amount

Boring, installation of Tube well along with supply, fitting, fixingof surge tank along with all GI fittings

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

Boring of DTW of bore hole up to 600 mm 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, unconsolidated materials like clays, silts, sands gravels, pebbles, cobbles and boulders) as per IS: 2800 (part-I) 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 1000 M.)

Supply, Lowering & Installation in tube-well 300 mm 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 200 mm PVC housing pipe/ Blind pipe of wall thickness of 10 mm to 11.2 mm for casing assembly including supply of well cap, Bail Plug, 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 200 mm PVC Ribbed Screen Filter pipe of wall thickness of 10 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 of 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. in complete as directed (Work to be carried out as per IS: 4097 : 2008)

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 as per [4.1] 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 900 mm dia x 1250 mm long made of 4 mm MS plate with Raiser assembly of size 75 mm dia x 6.0 M long and S-bend of size 200 mm x 1600 mmL made of 4 mm MS plate including painting the above with one coat of synthetic enamel primer followed by 2 (two) coats of successive synthetic enamel/ bituminous black paint and made provision for mounting the surge tank on a specified CC foundation by nuts & bolts of suitable size as per drawing & specification as directed.

Underground PVC distribution system ( For 3 Points)

Earthwork in excavation in foundation of canal structures in all types of soils as per design and drawing including dressing the foundation, shoring 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) (i) For normal lead of 30 M and lift of 1.50 M In all types of soils (except soil mixed with gravel and boulders)

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

B) 110 mm 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.

Supplying, fitting, fixing PVC unequal tee joining with pipes with solvent cement, testing leakages etc, complete as directed. 160mm x 160mm x 110 mm

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

Supplying, fitting, fixing PVC bend pipe size joining with pipes with solvent cement, testing leakages etc complete as directed. i) For 110mm/90°

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

Supplying, fitting, fixing PVC reducer joining with pipes with solvent cement, testing leakages etc, complete as directed.

Construction of Spot Chamber ( 45 Nos.)

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 and under floor 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 etc, including racking out joints and curing etc, complete as directed. (i) in proportion 1:4 (i) in proportion 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)

Construction of Solar Mounting Stuctue with installation of 15HP solar pump set

Earth work in excavation of foundation 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

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).

RCC work in slab, abutment cap and above abutment, pier cap, pedestal, dirt wall etc. in proportion 1:2:4 with hard broken stone aggregate of size 6 mm to 20 mm with proper reinforcement as per design including curing etc. with necessary timber shuttering, scaffolding etc. where necessary, complete as directed. (Shuttering, scaffolding cost will be paid separately).

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).

Supply, fitting-fixing and testing & commissioning of Solar powered 15 HP oil/ water cooled submersible pump set of reputed Brand of discharge not less than 2000 LPM at 10 Mtr Head (total dynamic head of 20 M, Pump should work upto 30 M head & shut off head 35 M ) of delivery size 100mm/125mm and drive rating 415 V, 50 Hz, 3-Phase Induction motor

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 Pump House

Earth work in excavation for foundation 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.

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).

Brick work in cement mortar with 1st class brick as directde in foundation, retaining walls, plinth & steps including recking out joints & curing

Providing 2 cm thick damp proof Course (D.P.C.) with cement motor in prop 1:2 with approved damp proofing compound. (i) In proportion 1:3

Earthwork in filing in plinth layer not more than 15 cm thick including necessary carriage, watering and ramming etc complete as directed and specified .Head load. (Lead up to 90 M and lift 2 M).

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). A) Shuttering (Beam)

B) Shuttering (Column)

RCC work in slab, abutment cap and above abutment, pier cap, pedestal, dirt wall etc. in proportion 1:2:4 with hard broken stone aggregate of size 6 mm to 20 mm with proper reinforcement as per design including curing etc. with necessary timber shuttering, scaffolding etc. where necessary, complete as directed. (Shuttering, scaffolding cost will be paid separately).

125 mm thick 1st class brick nogged wall in cement mortar in prop 1:4 including racking out joints curing etc. complete as directed.

12 mm cement plastering including clearing surface and curing complete as directed.

Providing fitting, hoisting and fixing of roof trusses including purlins fabricated using MS circular hollow section conforming to relevant I.S. code, as per approved design and drawings including providing M.S. cleats, base plates, bolts and nuts and one coat of red oxide Zinc Chromate primer and two coats of approved enamel paints complete including fitting necessary cleats etc. for fixing ceiling joists as per design and drawing as directed.

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).

Providing 0.63 mm thick glaved ridging including suplying and fixing with necessary glaved. Screw washer etc. (23 cm lapping).

Providing, fitting and fixing steel windows/ ventilators (openable) of standard rolled steel sections as per relevant I.S. Code-1038 joints mitred and welded with 15mmx3mmx100mm lugs embedded in cement concrete block of M-10 grade including providing 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 two coats including painting two coats to batten with approved paint complete as directed.

Soling in foundation in floor at all level septic tank etc. including filling interstices ramming etc. complete as directed and as specified thickness .

Plain cement concrete floor base of thickness 63 mm thick in prop 1:3:6 with coarse aggregate of size 13 mm to 38 mm including curing etc. complete as specified.

65 mm thick traced flooring with cement concrete in prop 1:2:4 with broken stone agg. 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).

Construction of Goat Proof Fencing

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).

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.

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.C work in proportion 1:4:8 in Foundation / abutment / piers / wing walls etc. with hard broken stone agg. of size 13 mm to 38 mm including curing 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 tc.including racking out joints and curing etc. complete in prop. 1:4 .

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

Supplying, fitting and fixing goat proof wire fencing 1070mm high with horizontal wire spacing at 130 mm, 130mm, 150mm, 150mm, 180mm and 180mm from bottom onwards and vertical wires at 100mm apart top and bottom wires should be of 8 S.W G. and intermediate and vertical wire should be of 10S.W.G.with angle iron posts specified in item no 17.7 above including supplying, fitting and fixing with necessary straining eye bolts and staples etc. and painting one coat to all iron posts etc. with anti-corrosive black paint etc. complete as directed and specified(intermediate and straining post should be placed not more than 4000mm and not less than 3000 mm apart and all posts embedded in C.C. pillars of size 300mm x 300mm x 600mm in prop 1:3:6).

Supplying, fitting and fixing double leaf heavy duty iron gate, frame made from 40mm x 40mm x 6mm M.S. angle and with M.S. flat of 40mm x 6mm size as per approved design.Necessary locking arrangement for temporary closing the gate and 2nos.( minimum) strong iron hinges of M.S bars and flat of same sizes on each leaf to be embedded in C.C brick pillers as necessary including a red oxide painting to all iron works as directed andspecified. (Separate payment will be made for posts).

Construction of Approach road at Point 1

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.

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.

Carriage of boulders, gravels, metal screening, stacking in measurable stacks at site, complete as directed. (For 1st Km of quarry road)

For normal road upto 25 Km (Normal Road length =18 Km)

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 Approach road at Point 2

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.

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.

Carriage of boulders, gravels, metal screening, stacking in measurable stacks at site, complete as directed. (For 1st Km of quarry road)

For normal road upto 25 Km (Normal Road length =25 Km)

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 Approach road at Point 3

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.

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.

Carriage of boulders, gravels, metal screening, stacking in measurable stacks at site, complete as directed. (For 1st Km of quarry road)

For normal road upto 25 Km (Normal Road length =21 Km)

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 Supporting Pillar for delivery pipe

Earth work in excavation of foundation of canal structures in all types of soil as per design and drawing dressing the foundation, shoring, etc. removing the surplus spoils by head load to a safe distance from the working place and depositing required spoils in uniform layers dressing, watering, breaking clods to not more than 10mm cube with compaction complete as directed at site (including bailing out stagnant 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

Soling in foundation and under floor including filling interstices ramming etc, complete as directed and as specified thickness. (i) 9 cm brick on flat including sand packing..

C. C work in prop 1:4:8 in foundation / abutment / piers / wings wall 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)

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. (i) in proportion 1:4

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

Construction of Signboard

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.