Construction of RCC Flood Wall along R/B of Khanajan Channel from downstream of Sluice outfall including allied works.

Amount

Earthwork in excavation for structures as per drawing and technical specificationsClause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m,dressing of sides and bottom and backfilling in trenches with excavated suitable material. Ordinary soil (I) Upto 3m depth

Fillling in foundation trenches as per drawing and technical specification Clause 305.3.9 I Sand filling

Brick on edge flooring with bricks of class designation 7.5 on a bed of 12 mm cement mortar, including filling the joints with same mortar, with common burnt clay non modular bricks: 1:4 (1 cement : 4 coarse sand) Rate as per CPWD (DSR) Bldgs. (Civil Works), SoR 2020-21 item no:- 11.1.1 Rate= Rs. 937.00 Deduct 15% as Contractor Profit & 12% GST hence basic Rate = Rs. 727.48.

PCC 1:3:6 in Foundation (Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.)

Providing and laying reinforced cement concrete in superstructure as per drawing and technical specifications Clauses 800, 1205.4 and 1205.5 (A) With crushed stone (I) R.C.C grade M 20 (i) For nominal mix 1:2:4(a) Height upto 5m

Centering and shuttering including strutting, propping etc. and removal of form for 5.9.1 Foundations, footings, bases of columns, etc. for mass concrete

Centering and shuttering including strutting, propping etc. and removal of form work for : 5.9.2 Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Supplying, fitting and placing TMT IS:1786 (Fe 500) bar reinforcement in sub-structure complete as per drawing and technical specifications(a) TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/Jindal panther steel/ Shyam steel or equivalent)

Reinforcement in Super Structure: Supplying, fitting and placing TMTconforming to IS:1786 Fe 500 D reinforcement in super-structure including splicing complete as per drawing and technical specifications (a)TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/ Jindal panther steel/ Shyam steel or equivalent)

Providing, driving with hydraulic piling rigs with power units and installing driven cast-in-situ reinforced cement concrete piles of grade M-25 of specified diameter and length below the pile cap, to carry safe working load not less than specified, excluding the cost of steel reinforcement but including the cost of shoe and the length of pile to be embedded in the pile cap etc. all complete. (Length of pile for payment shall be measured from top of shoe to the bottom of pile cap) : 20.1.3 500 mm dia piles

Vertical load testing of piles in accordance with IS 2911 (Part IV)including installation of loading platform by Kentledge/Anchor piles method and preparation of pile head or construction of test cap and dismantling of test cap after test etc. complete as per specification & the direction of Engineer in-charge. Note: 1. Initial and Routine Load Test shall not be carried out by Dynamic method of testing. Note: 2. Testing agency shall submit the design of loading platform for the approval of Engineer-in-charge.20.6.1 Single pile upto 50 tonne Safe capacity 20.6.1.2 Routine test (Test Load 1.5 times the Safe capacity)

12 mm cement plaster of mix : 13.4.1 1:4 (1 cement: 4 coarse sand)

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification B) Sandy material

Providing weepholes in brick masonry/stone masonry, plain/reinforced concrete abutment, wing wall, return wall with 100 mm dia AC pipe extending through the full width of the structures with slope of 1(V):20(H) towards drawing face complete as per drawing and technical specification.

Medium Jungles: Clearing medium jungles and trees up to 15 cm. girth including cutting, uprooting roots and stumps, removing them from the site of the work, etc. complete as directed. (When 30% to 60 % of the area is covered by shrubs, trees etc.)

Felling trees including uprooting roots and stumps up to 50 cm. below ground, cutting into pieces and removing the same from the site of work etc. complete as directed. Trees above 0.50 m and up to 1 m girth:

Cutting bamboo, uprooting roots & stumps including removing them from the site of work, etc. complete as directed.

Earth work in excavation of drainage channel by mechanical means to the proper grade and slopes as required including disposing the excavated debris/soil to a safe distance of minimum 50 m distance, etc. complete as directed. For lead up to 50 m and all lifts. Wet & Sticky Soil

Earth work in excavation of drainage channel by mechanical means to the proper grade and slopes as required including disposing the excavated debris/soil to a safe distance of minimum 50 m distance, etc. complete as directed. For lead up to 50 m and all lifts Normal Soil

Earthwork in bank trimming to the designed section /slope by mechanical means including removing the trimmed soils to a minimum distance of 30 m, complete as directed.

Supply of Galvanized Wire Netting Sheet made of 8 SWG wire 152mm square mesh in sheet 2.57m × 1.66m with longitudinal wire at 152 mm centre and 76mm projection of each wire on all sides beyond the net size of 2.42m × 1.5m having knots of 12 SWG at every joints, weight of each sheet should not be less than 6.3 Kg/sheet.

Supply of Geo-textile bags of type-A (1.03 × 0.70 m) inner to inner made of Geo-textile non-woven fabric sheets of 400 GSM manufactured from 100% virgin Polypropylene (PP) fibre with minimum properties as per IS 16653:2017 i. Wide Tensile strength (MD) ≥ 20KN/m & Wide Tensile strength(CD) ≥20 KN/m ii. Elongation (MD) ≥50% & Elongation (CD) ≥ 50% iii. Abrasion ≥ 95% iv. Trapezoidal Tear Strength (MD) ≥ 450N & Trapezoidal Tear Strength (CD) ≥ 450N v. CBR Puncture strength ≥ 4000N vi. Permittivity ≥ 1.10s – 1 vii. Permeability ≥ 40l/m2/sec viii. AOS ≤ 75 micron ix. UV Resistance @ 500 hours retained Tensile strength (MD) & (CD) ≥ 80%x. Mass ≥ 400 gm/m² xi. Thickness at 2KPa ≥ 3 mm xii. Seam strength ≥ 80 % of actual fabric strength.Stitching of Bags should be Ring Spun Yarn stitches with 2500-3000 denier double line chain stitch with overlap with stitches along the edge @ minimum 15 stitches per 100 mm.(Bags are to be supplied of 100 numbers in a bundle, properly packed with each bag having proper tag with name of Manufacturer, Batch Number, the GSM and type of polymer encrypted and stitched on top corner and each bag is to be marked with “WRD Govt. of ASSAM” to be printed distinctly. Test Certificate from approved NABL accredited and ISO (Certified Laboratory should invariably be submitted against each batch of material)

Supply of Geo Bags Type-B (Size 2.00 m × 1.50 m inner to inner) (Pillow Type) made of composite layers of Polypropylene (PP) fibre as per IS 16653:2017 for Nonwoven and IS 16654:2017 for Woven: Woven Geo-textile for the outer cover (300gsm): The woven geo textile is woven with multifilament woven fabric manufactured from ultra violet stabilized polypropylene. Geo-textile used to manufacture geotextile bags should have high mechanical properties for enhanced durability along with enhanced puncture, abrasion and U.V. resistance characteristics. Geo-textile should be inert to biological degradation and resistant to naturally encountered chemicals,alkalis, and acids.Properties i. Tensile strength (MD) ≥ 80 KN/m & Tensile strength (CD) ≥ 70 KN/m ii. Elongation (MD) ≤ 25% & Elongation (CD) ≤ 25% iii. Abrasion ≥ 75% iv. Trapezoidal Tear Strength (MD) ≥ 1500N & Trapezoidal Tear Strength (CD) ≥ 1300N v. CBR Puncture strength ≥ 900N vi. Permeability ≥ 18 l/m2/sec vii. AOS ≤ 250 micron viii. UV Resistance @ 500 hours retained Tensile strength (MD) & (CD) ≥ 80% ix. Mass ≥ 300 gm/m² x. Seam strength ≥ 50 % of actual fabric strength.'Non-Woven Geo-textile for the inner layer (300gsm): It is needle punched non-woven geo-textile made of 100% polypropylene staple fibres which are formed into a random network for dimensional stability. It should resist UV degradation, rotting and alkalis. Properties i. Wide Tensile strength (MD) ≥ 15 KN/m & Wide Tensile strength (CD) ≥ 15 KN/m ii. Elongation (MD) ≥ 50% & Elongation (CD) ≥ 50% iii. Abrasion ≥ 95% iv. Trapezoidal Tear Strength (MD) ≥ 340 N & Trapezoidal Tear Strength (CD) ≥ 340 N v. CBR Puncture strength ≥ 3000 N vi. Permittivity ≥ 1.25 s-1 vii. Permeability ≥ 60 l/m2/sec viii. AOS ≤ 75 micron ix. UV Resistance @ 500 hours retained Tensile strength (MD) & (CD) ≥ 80% x. Mass ≥ 300 gm/m² xi. Thickness at 2KPa ≥ 3 mm xii. Seam strength ≥ 80 % of actual fabric strength. Stitching of Bags should be Ring Spun Yarn stitches with 2500-3000 denier double line chain stitch with overlap with stitches along the edge. (Bags are to be supplied of 15 numbers in a bundle, properly packed with each bag having proper tag with name of Manufacturer, Batch Number, the GSM and type of polymer encrypted and stitched on top corner and each bag is to be marked with “WRD Govt. of ASSAM” to be printed distinctly. Test Certificate from approved NABL accredited and ISO Certified Laboratory should invariably be submitted against each batch of material)

Supply of non-woven Geo-textile fabric sheets of 300 GSM manufactured from 100% virgin Polypropylene (PP) fibre with minimum properties as per IS 16653: 2017  Wide Tensile strength (MD) ≥ 15kN/m & Wide Tensile strength (CD) ≥ 15kN/m  Elongation (MD) ≥ 50% & Elongation (CD) ≥ 50%  Abrasion ≥ 95% Trapezoidal Tear Strength (MD) ≥ 340 N & Trapezoidal Tear Strength (CD) ≥ 340 N  CBR Puncture strength ≥ 3000 N  Permittivity ≥ 1.25 s-1  Permeability ≥ 60l/m2/sec  AOS ≤ 75micron  UV Resistance @ 500 hours retained Tensile strength (MD) & (CD) ≥ 80%  Mass ≥ 300gm/m²  Thickness at 2KPa ≥ 3 mm. (Each Roll of Geo Fabric Sheet should be supplied in properly packed Bundles and should be marked with the Name of Manufacturer, Batch Number & its dimensions clearly on each roll with “WRD Govt. of ASSAM” to be printed on it and mentioning properly the GSM and type of polymer and Test Certificate from approved NABL accredited and ISO Certified Laboratory should invariably be submitted against each batch of material).

Supply of Sewing Thread/Yarn PPMF Stitching Thread (2000 Den. Kaplon).

Carriage of Geo Bags of size 2.00 × 1.50 m including loading & unloading, stacking cost of P.O.L. etc. complete and including hire charge of truck with driver and handyman, etc. completed as directed.(Distance to be calculated from Divisional store) Distance from Divisional store to work site=24 Km = 0.096/kmx24=2.304/bag

Carriage of Geo Bags of size 1.03 × 0.70 m / 1.0 x 0.7m including loading & unloading, stacking, etc. complete and including hire charge of truck with driver and handyman cost of POL etc. completed as directed. (Distance to be calculated from Divisional store) Distance from Divisional store to work site=24 Km = 0.014/kmx24=0.336/bag

Carriage of 300 gsm Geo sheet of including loading & unloading, stacking cost of P.O.L. etc. complete and including hire charge of truck with driver and handyman, etc. completed as directed. (Distance to be calculated from Divisional store) Distance from Divisional store to work site=24 Km = 0.013/kmx24=0.312/Sqm

Carriage of wire netting sheets of size 2.57 X 1.67 m made of 8 Gwire of 152mm Sq. mesh including loading & unloading , Stacking cost of P.O.L. ,etc. complete and including hire charge of truck with driver and handyman, etc. completed as directed.(distance to be claculated from Guwahati = 0.29/kmx24=9.96/Sheet

Collection and supply of River silt by truck carriage free from debries and other foreign material, etc. complete as directed. By manual Means For initial up to 1.00 Km & for all lifts.

Collection and supply of brick bats 10 - 40 mm size to work site including loading, unloading transportation and stacking in measurable stacks including sale tax, compensation if any, etc. complete as directed .

Labour charge for laying Geo fabric sheet as filter bellow pitching including carrying, lapping, wrapping & stitching as directed by the Engineer-in-Charge.

Labour charge for laying of soling stone, brick bats, broken stone metal, sand gravel etc. on approach road including ramming dressing the seat and local carriage of materials up to a distance of 60 m complete as directed.

Filling and laying in cage with sand/silt filled Geo bags of size 1.03 m × 0.70 m excluding excavation of specified sand/silt from flood plain or adjacent chars within a distance of 90 m of the work site, filling geo bags with sand having minimum weighing 126.00 Kg and minimum volume 0.084 Cum after filling, double locking chain stitching the mouth of the filled bags with polypropylene thread by power driven double needle machine, stacking the same in batches of 100, carrying the same to the dumping site including all handling charges and local carriage within a distance of 150 m and laying properly. in cages made of wire netting sheets of size 2.57 × 1.66 m of 8 G galvanized wire making the cage from 2 nos. of wire netting sheet by tying the projected wires complete as directed. (Geo Bag, Wire Netting Sheets / cage and Polypropylene thread will be supplied by the department free of cost) Without Boat

Filling and laying of Geo bags of size 1.03 m × 0.70 m excluding excavation of sand/silt from flood plain or adjacent chars within a distance of 90 m of the work site, filling geo bags with sand/silt having minimum weighing 126.00 Kg and minimum volume 0.084 Cum after filling , double locking chain stitching the mouth of the filled bags with polypropylene thread by power driven double needle double stitched machine, stacking the same in batches of 100, carrying the same to the dumping site including all handling charges and local carriage within a distance of 150 m and laying properly as directed. (Sand/silt, Geo Bag and Polypropylene thread will be supplied by the department free of cost) Without Boat

Filling and laying of nonwoven Geo - textile bag of dimension 2.00 m × 1.50 m excluding excavation of specified sand/silt from flood plain or adjacent chars within a distance of 90 m of the work site, filling geo bags with sand having minimum volume 0.612 Cum after filling, double locking chain stitching the mouth of the filled bags with polypropylene thread by power driven double needle machine, laying at proper site including all handling charges and local carriage within a distance of 100 m complete as directed. (Sand/silt, Geo Bag and Polypropylene thread will be supplied by the department free of cost) Without Boat

Shashi Devi Bajaj (BID ID -260696)