Protection of Auniati Satra and its adjoining area from the erosion of river Brahmaputra along with construction of flood wall (Ph-II).

Amount

Earthwork in excavation for structures as per drawing and technical specificationsClause 305.1 including setting out, construction of shoring and bracing, removalof 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. V. Marshy soil

Fillling in foundation trenches as per drawing and technical specification Clause305.3.9 I Sand filling

Dry brick on edge flooring in required pattern with bricks of class designation 7.5 on a bed of 12 mm mud mortar, including filling joints with Jamuna sand, with common burnt clay non modular bricks.

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 A With crushed Stone II P.C.C grade M 15 , Nominal mix 1:2.5:5 ( Hand mix)

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 5 M

Centering and shuttering including strutting, propping etc. and removal of form work for : Foundations, footings, bases for columns

Centering and shuttering including strutting, propping etc. and removal of form work for : Retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs and steps 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 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)

Levelling course for Pile cap

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

Earth work in embankment by Mechanical means by truck carriage with locally available ordinary/normal soil excluding sandy and rocky soil free from roots & vegetation and filling in uniform layers not exceeding 25 cm thick including ploughing or roughening or enching the seats, removing all debries, breaking clods up to 4cm cube, dressing as per design section and compaction with three wheel static roller of 80-100 KN capacity in layers not exceeding 30 cm in thickness and core cutter soil test at every layer and every 500m distance, etc. complete as directed.

For beyond initial 1 km & upto 10.00 km & for all lifts. Dist = 1.00

Construction of temporary shed of two roof with mud plinth of 0.45 m height above ground level with Bhaluka bamboo post 1.5 m apart, driven at atleast 0.75 m below ground and height above plinth of 2.5m. Split Jatti bamboo/tarza wall 10 cm thick touch roofing over bamboo rua frame, placing at 0.15 m clear apart, fitted with bamboo kamies from binding doors and windows with Bamboo Chattai, strengthening with Bamboo frame binding with wire, roofing with TATA Shaktee roofing sheets etc., complete as directed. (Using Bhaluka Bamboo at the rate of 6.00 nos/ Rm & Jati Bamboo at the rate of 61.00nos / Rm)

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 Clauses 614, 709, 1204.3.7

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 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.

Supply of Pre stressed Cement Concrete (PSC) Porcupine members of size 0.10 m × 0.10 m × 3.00 m with M - 30 grade of cement concrete conforming to IS 1343:2012 using super-plasticizer @1.2 lit/bag of cement with graded broken coarse aggregates up to 20 mm size down conforming to IS 10262:2009 & IS 456:2000 and reinforced with 4 nos. of 4 mm dia. high tensile steel wire cable/strand with necessary cover and 4 mm high tensile stirrups at 250 mm C/C, in conformity with IS-6403:R2002 and stressed to required strength not exceeding 9.18 N/mm, holes of 16 mm dia. at 50 cm inside from both ends in the same face and in either face of post another 2 nos. of holes of size 16 mm dia. at 65 mm inside from both ends including properly curing for 21 (Twenty one) days and carriage of porcupine members from factory to the stack yard within a distance up to 50 Km including loading, unloading & stacking complete as directed.

Carriage of PSC porcupine members of size 0.10 m × 0.10 m × 3.00 m from Stack yard to Work Site including loading, unloading & stacking

Labour charge for launching of PSC Porcupine including carriage of PSC porcupine members of size 0.10 m × 0.10 m × 3.00 m from the stack yard to the place of launching, erection of the Porcupine with 6 (Six) members properly, supply & fitting/fixing with 12 mm dia. 25 Cm long M.S. Nuts and bolts and launching the porcupine properly as directed. (Lead up to 150 m) Launching without boat

Labour charge for launching of PSC Porcupine including carriage of PSC porcupine members of size 0.10 m × 0.10 m × 3.00 m from the stack yard to the place of launching, erection of the Porcupine with 6 (Six) members properly, supply & fitting/fixing with 12 mm dia. 25 Cm long M.S. Nuts and bolts and launching the porcupine properly as directed. (Lead up to 150 m) Launching with boat

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 geo textile 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 sewing thread/yarn PPMF stitching thread (2000 Den, kaplon) i.e pay taxes.

Collection and supply of River silt by truck carriage free from debries and other foreign material payment of forest royalty if any, etc.(For beyond initial 1Km & upto 10.00 km & for all lifts.)

Filling and laying of nonwoven Geo-textile bag of dimension 2.00mx1.50m excluding excavation of specified silt from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with silt, 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 100m complete as directed. (Geo Bag and Polypropylene thread will be supplied by the department free of cost) With Engine boat

Filling and laying of nonwoven Geo-textile bag of dimension 2.00mx1.50m excluding excavation of specified silt from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with silt, 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 100m complete as directed. (Geo Bag and Polypropylene thread will be supplied by the department free of cost With out boat

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) : 20.1.1 400 mm dia piles

Backfilling behind abutment, wing wall and return wall complete as per drawings & technical specification Clause 1204.3.8. Granular material

M.S. plate 6 mm for shutter and overtop

M.S. channel (100 x 50 ) mm for stiffeners.

'J' type rubber seal 125 mm

'J' type rubber seal corner 75 mm

M.S. Flat (50x6) mm for fixing rubber seal

Nuts & bolts ( assorted size )

M.S. washer ( assorted size )

M.S. Electrode 8.S WG

Red Oxide Primer

Antisol Red Oxide paint

Turpentine Oil

Steel wire brush

Painting brush 3"

Refilled Oxygen Gas

Refilled DA Gas

'J' type rubber seal corner 125 mm

H.S. Diesel for Generator

M.S Angle (75x75x 8) mm for Base support and railing post

M.S Angle (75x75x 6 )mm for Tool Post ,Base support etc.

Guide channel separator with nut on both end with tube of length 250 mm to 460 mm

M.S. Shaft 50 mm dia

Thread cutting 2 TPI including fine finishing and making hole in one end as per direction, 50mm

C.I Boss with internal thread cutting 2TPI making groove for bearing slot for lock plate &1.5’’drill for providing handle as per direction for size:125mmX 150 mm

M.S Base Plate 300 x 300 x 10 mm

M.S Lock Plate 300 x 300 x 8 mm

Clamp for lock plate

Shaft pin with length upto 150mm for the diameter 16mm

H.D Thrust Ball Bearing (best quality) ISI specified 50 mm dia

W B Grease

Matured Jati Bamboo 75mm to 100mm dia and 5 m to 6 m long

Nylon rope

Coir rope

I. Ordinary / unskilled labour (for clearing of barrel garbage at Sluice Gate channel, loading carrying & unloading of iron materials watch keeping duty & other allied works during fabricxation etc.)

II. Skilled (other than ITI certificate holder)

RAHIN BASUMATARY