Installation of 7 Nos of MDTW Scheme under Samaguri LAC under SOPD- G for the year 2025-26 under Kaliabor Samaguri Division (I), Jakhalabandhaa Package no. 04

Amount

Test Boring

Making test bore hole of 50 mm dia up to required depth below ground level and collecting sample of soil at every 3.0 m depth or wherever there is a change of strata in sample boxes with the distinguishing marks for ascertaining the water bearing strata including arranging and carriage of necessary boring materials / tools etc. all complete as directed.

Boring and Installation of Tube Well

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

Boring/drilling of bore hole up to 450mm dia and up to required depth by RC/DR Drilling Rig including supply 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). ( soil sample must be collected & keep properly at every 3.00 M interval of depth in boring.

Supply, lowering & installation in tube well 200mm PVC housing pipe / blind pipe (CM) 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 : 12818-2010 of length 3.00 M/2.00 M of repute brand like Supreme / Oriplast /Ashirvad / Astral / Jindal / Prince etc. and as directed.

Supply, lowering & installation in tube well 200mm PVC Ribbed Screen Filter pipe (RMS) 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 : 12818-2010 of length 3.00 M/2.00 M of repute brand like Supreme / Oriplast / Ashirvad/ Astral/ Jindal / Prince etc. and as directed.

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 : 11189-2020. (For new DTW, development works is to be carried out for at least 72 hours or till sand free discharge is obtained. Additional pea gravel required if any, during development would be extra )

Supply, fitting-fixing of Heavy duty CIDF sluice valve inside screw, non raising, vertical spindle type with hand wheel operation need of 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 strickly 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 joining materials and painting in complete as directed. (i) 100mm dia

Supply, fitting-fixing of Heavy duty CIDF Reflex valve, swing check type with bypass 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 arked 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. Rate as per Annexure-IV & DPC,Mech 2019-20. (i) 100mm dia

Supply, fitting-fixing of delivery pipes of 80/100 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 MS / GI bend of 80/100 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 G.I Equal Tee of 80/ 100 mm with GI / fabricated GI pipes with flange at three end and pipe jointing sets, including painting as per drawing / specification as directed.

Supply, fitting-fixing of surge tank of size 900mm dia x 1250mm long made of 4mm MS plate with raiser assembly of size 75mm dia x 6.0m long and S-bend of size 160mm x 1600mm long made of 4mm 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 foundation by nuts & bolts of suitable size as per drawing & specification as directed.

Installation and commissioning of Solar PV Modules including Mounting Structure

Supply & Installation of Solar Pumping System: (a) Solar Submersible S tandalone Pump set with 7.5 HP AC Induction motor and Solar Power Controller Unit ( Conform IEC 6168311:1999) with overload, over-under voltage, short circuit protection, suitable for 200 mm bore well and discharge capacity approx. 1400 LPM at 10 M head (Dynamic Head Range 10-20 Mtr and Shut off head 30 M) working at 8000 Wp of solar power along with Cables, Inverter external box, surge suppressor, DC MCB & all necessary accessories like, 2(two) pairs of G.I. Assembly support clamps, 10(ten) nos. of Cable clamp / clip, 1 (one) no. of Delivery bend, 1 (one) no. enlarger/ reducer as required, 20(twenty) mtr. Column pipe of uPVC/ HDPE of working pressure of minimum 8kgf, 1(one) no. of Short pipe of 1.5 Mtr. length of required diameter, 40(forty) mtr.(approx.) Flat flexible cable (motor to controller) as per latest MNRE norms and as per IS. (b) 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 8000 Wp (approx.) considering 7.15 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 and carry at least 20 years warranty& comprehensive maintenance for 1 year and should installed preferably above HFL) (c) 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 equipment incl. drilling holes, with bolts, nuts, washers etc. (d) 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. NB :-1. Solar Pump set should be of reputed make and carry 5 years warranty/ guarantee 2. Flow Range : 90 L per Wp of PV array from TDH of 10 M 3. Controller DC Input Voltage: (i) System Vmp> 587 V & (ii) System Voc< 800 V 4. Controller Conforming to : IEC 61683–1999 & IEC 60068-1-2,IEC 60068–2-(2,14,30,78) 5. The system should carry anti-theft mechanism (Rate As per MNRE Circular No. 32/24/2020-SPV Division, dt-26/10/2021 including cost of remote monitoring & USPC) This benchmark cost are for the systems installed as per MNRE specifications inclusive of the total cost of system and its installation, commissioning, transportation, insurance, warranty/guarantee, monitoring & maintenance for five years. Cost of Solar Standalone Pumping System = Rs 4,08,631.00 Add GST @ 18 % = Rs73,553.58 Cost Solar Pumping System = Rs 4,82,184.58

Construction of Control Room

Earth work by mechinical / manual means in rough excavation, banking excavated earth in layers not exceeding 20cm in depth, breaking clods, watering, rolling each layer with ½ tonne roller or wooden or steel rammers, and rolling every 3rd and top-most layer with power roller of minimum 8 tonnes and dressing up in embankments for roads, flood banks, marginal banks and guide banks or filling up ground depressions, lead upto 50 m and for all lift : 2.2.1 All kinds of 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).

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

Providing and laying damp-proof course 40mm thick with cement concrete 1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 12.5mm nominal size derived from natural sources)

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.

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). Shuttering (Column)

CC work in proportion 1:2:4 in foundation / abutment / piers / wing walls etc.with hard broken stone aggregate 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) (a) M 15 grade

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

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

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Providing corrugated G.S. sheet roofing including vertical / curved surface fixed with polymer coated J or L hooks, bolts and nuts 8 mm diameter with bitumen and G.I. limpet washers or with G.I. limpet washers filled with white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete (up to any pitch in horizontal/ vertical or curved surfaces), excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required. 0.63 mm thick with zinc coating not less than 275 gm/ m²

Providing and fixing factory made ISI marked steel glazed doors, windows and ventilators, side /top/centre hung , with beading and all members such as F7D,F4B, K11 B and K12 B etc. complete of standard rolled steel sections, joints mitred and flash butt welded and sash bars tenoned and riveted,including providing and fixing of hinges, pivots, including priming coat of approved steel primer, but excluding the cost of other fittings, complete all as per approved design, (sectional weight of only steel members shall be measured for payment).Fixing with 15x3 mm lugs 10 cm long embedded in cement concrete block 15x10x10 cm of C.C. 1:3:6 (1Cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size)

Distempering with 1st quality acrylic distemper (ready mixed) having VOC content less than 50 gms/litre, of approved manufacturer, of required shade and colour complete, as per manufacturer's specification.

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.

62 mm thick cement concrete flooring with concrete hardener topping, under layer 50 mm thick cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) and top layer 12mm thick cement hardener consisting of mix 1:2 (1 cement hardener mix : 2 graded stone aggregate, 6mm nominal size) by volume, hardening compound mixed @ 2 litre per 50 kg of cement or as per manufacture’s specifications. This includes cost of cement slurry, but excluding the cost of nosing of steps etc. complete.

Construction of underground PVC Pipe Distribution System

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 mention in the approved drawing and as directed and specified. In ordinary soil

Supplying, fitting, fixing PVC Pipes (IS 4985, 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) 160mm dia

B) 110mm dia

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

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

Supplying, fitting, fixing, joining of PVC end cap fitting with solvent cement as per specification including local carriage, testing leakage etc. complete as directed. Size : 110mm

Supplying, fitting, fixing 110 mm dia NTP valve at the top of PVC rising pipe of spout chamber as per specification including local carriage, complete as directed B) 110mm dia

Construction of Spout Chamber ( 7 Nos.)

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 mention in the approved drawing and as directed and specified. In ordinary soil

C.C work in proportion 1:3:6 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 etc.including racking out joints and curing etc. complete. (In proportion 1:4).

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

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 bend pipe size joining with pipes with solvent cement, testing leakages etc. complete as directed. 110 mm / 90o

Item No. 7: Supplying, fitting, fixing PVC Pipes (IS 12818, 4 kg/cm2), joining pipes with relevant cement, levelling, testing leakages etc. complete as directed. (Cost of E/W foundation trenches will be paid separately). 110mm dia

Procurement and supply of approved quality canvas pipe of 65 mm dia for water distribution system including all necessary accessories for fitting, sealing joints etc. as directed.

Construction of 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 mention in the approved drawing and as directed and specified. (a) 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.

C.C work in proportion 1:3:6 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).

R.C.C work in slab, abutment cap and above abutment, pier cap, pedestal, dirt wall etc. in proportion 1:2:4 (M15) with hard river shingles of size 6mm to 20mm with proper reinforcement as per design including necessary curing etc. complete as directed with necessary timber shuttering, scaffolding etc. where necessary complete as directed. (Shuttering, scaffolding cost will be paid separately).

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). Shuttering (Column)

Shuttering (Beams) with out props

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

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. 10mm dia 12mm dia 6 mm dia

Supplying at site Angle iron post & strut of required size including bottom to be split and bent at right angle in opposite direction for 10 cm length and drilling holes upto 10 mm dia. etc. complete. 40x40x5 mild steel angle (ISA 40x40x5)

Welded steel wire fabric fencing with posts of specified material and of standard design placed and embedded in cement concrete blocks 45x45x 60 cm of mix 1:5:10 (1 cement:5 fine sand : 10 graded stone aggregate 40 mm nominal size), every 15th post, last but one end post and corner post shall be strutted on both sides and end post on one side only and struts embedded in cement concrete blocks 70x45x50 cm of the same mix, provided with welded steel wire fabric fixed between the posts fitted and fixed with G.I. staples on wooden plugs or tied to 6 mm bar nibs with G.I. binding wire (cost of posts, welded steel wire fabric, painting, earth work in excavation and concrete to be paid for separately).

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. In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

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. For Campus filling

Installation of Sign Board

Item No. 1 : 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.

Mazibur Rahman (BID ID -287131)