RIDF-XXVII/Golaghat/08 Extension of RCC Br. No 5/1 over river Dhansiri on Morongi Ali including anti-erosion measures of bridge approach from river Dhansiri under RIDF-XXVII for the year 2021-22

Amount

Construction of Bridge proper: Excavation for Structures (Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom,backfilling the excavated earth to the extent required and utilising theremaining earth locally for road work.)(3.00m to 6.00m depth)

Providing and constructing temporary island 16 m diameter for construction of well foundation for 8m dia. Well. Assuming depth of water 1.0 m and height of island to be 1.25m.

Providing and constructing one span service road to reach island location from one pier location to another pier location

Providing and laying cutting edge of mild steel weighing 40 kg per metre for well foundation complete as per drawing and technical specification.

Plain/Reinforced cement concrete, in well foundation complete as per drawing and technical specification including steel shuttering formwork. Without plasticiser,Well curb,,RCC M-20 Grade Using concrete mixer

Plain/Reinforced cement concrete, in well foundation complete as per drawing and technical specification including steel shuttering formwork. Without plasticiser,Well steing,RCC M-20 Grade Using concrete mixer

Plain/Reinforced cement concrete, in well foundation complete as per drawing and technical specification including steel shuttering formwork. Without plasticiser bottom plug Using concrete mixer PCCM20 Grade

Plain/Reinforced cement concrete, in well foundation complete as per drawing and technical specification including steel shuttering formwork. Without plasticiser top plug Using concrete mixer PCCM20 Grade

Plain/Reinforced cement concrete, in well foundation complete as per drawing and technical specification including steel shuttering formwork. Without plasticiser (F) Well cap Using concrete mixer RCCM20 Grade

Sinking of 6 m external diameter well ( other than pneumatic method of sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specifications. Depth of sinking is reki)depth below bed level up to 3.00m (A)Sandy soil

Sinking of 6 m external diameter well ( other than pneumatic method of sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specificationsi)level from 3.00m up to 10.00m (A)Sandy soil

Sinking of 7 m external diameter well ( other than pneumatic method of sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specificationsi)depth below bed level from10.00m up to 20.00m (A) Sandy soil

Sinking of 6 m external diameter well ( other than pneumatic method of sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specificationsi)li)depth below bed level beyond 20.00m (A)Sandy soil

Sinking of 7 m external diameter well ( other than pneumatic method of sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specifications. Depth of sinking is rekonewed from bed leveli)depth below bed level up to 3.00m (A) Sandy soil

Sinking of 7 m external diameter well ( other than pneumatic method of sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specifications. Depth of sinking is rekonewed from bed leveli)depth below bed level from 3.00m up to 10.00m (A) Sandy soil

Sinking of 7 m external diameter well ( other than pneumatic method of sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specifications. Depth of sinking is rekonewed from bed leveli)depth below bed level from10.00m up to 20.00m (A) sandy Soil

Sinking of 7 m external diameter well ( other than pneumatic method of sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specifications. Depth of sinking is rekonewed from bed leveli)depth below bed level beyond 20.00m (A) sandy soil

Sand filling in wells complete as per drawing and technical specifications

Reinforcement in Foundation: Supplying, fitting and placing TMT IS:1786 Fe500 D bar reinforcement in foundation 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)

Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork RCC Grade M20 , Height upto 5m , Without plasticise, Using concrete mixer Height up to 5.00M

Supplying, fitting and placing TMT IS:1786 (Fe 500) bar reinforcement in sub-structure 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)

Supplying, fitting and fixing in position true to line and level cast steel rocker bearing conforming to IRC: 83(Pt.-1) section IX and clause 2003 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications.

Supplying, fitting and fixing in position true to line and level forged steel roller bearing conforming to IRC: 83(Pt.-1) section IX and clause 2003 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications.

Reinforcement in Super Structure: Supplying, fitting and placing TMT conforming 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)

Furnishing and Placing Reinforced/Prestressed cement concrete in super-structure as per drawing and Technical Specification' including steel shuttering formwork. 'With plasticiser ( Masterplast PL-1/SPL-2 or equivalent ), air entraining and water reducing plasticiser ( Masterplast PAE or equivalent) and accelerating plasticiser ( Masterplast ACPL or equivalent) conforming to IS-9103-1999. For T-beam & slab (height 5.00m to 0.00m) ,with plasticiser D)RCC/PSC Grade M-35 Case I)

High tensile steel wires/strands including all accessories for stressing, stressing operations and grouting complete as per drawing and Technical Specifications

Providing and laying Cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and Technical Specifications

Construction of precast RCC railing of M30 Grade, aggregate size not exceeding 12 mm, true to line and grade, tolurence of vertical RCC post not to exceed 1 in 500, centre to centre spacing between vertical post not to exceed 2000 mm, leaving adequat space between vertical posts for expansion, complete as per approved drawings and technical specifications.

Drainage Spouts complete as per drawing and Technical specification

Reinforced cement concrete approach slab including reinforcement and formwork complete as per drawing and Technical specification TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/ Jindal panther steel/ Shyam steel or equivalent)

PCC M15 Grade leveling course below approach slab complete as per drawing and Technical specification

Burried Joint (Providing and laying a burried expansion joint, expansion gap being 20 mm, covered with 12 mm thick, 200 mm wide galvanised wieldable structural steel plate as per IS: 2062, placed symmetrical to centre line of the joint, resting freely over the top surfaces of the deck concrete, welding of 8mm dia, 100mm long galvanized nails spaced 300mm C/C along the center line of the plate , all as specified in clause 2604.)

Embankment Construction with Material Obtained from Borrow Pits (Construction of embankment with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirment of table 300-2 ( Including cost of testing of materials at site and laboratory as directed by the deptt.)

Construction of Subgrade and Earthen Shoulders (Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table (300-2) (a), ( Including cost of testing of materials at site and laboratory as directed by the deptt.) i) Private .land

By Mix in Place Method (Construction of granular sub-base by providing close graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with vibratory roller to achieve the desired density,complete as per cl. 401( Including cost of testing of materials at site and laboratory as directed by the deptt.) Gr. II material, with all leads and lifts upto the site.

Water Bound Macadam (Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/binding material to fillup the interstices of coarse aggregate,watering and compacting to the reqd. density ( with an initial lead of 5.0 km. ) Gr.II Using Type BScreening 11.2mm, with all leads and lifts upto the site.

Water Bound Macadam (Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/binding material to fillup the interstices of coarse aggregate,watering and compacting to the reqd. density ( with an initial lead of 5.0 km. ) Gr.III Using Type BScreening 11.2mm, with all leads and lifts upto the site.

Wet Mix Macadam (Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver in sb-base/base course on well prepared surface and compacting with vibratory roller to achieve the desired density (including carriage of mixed materials up to 10.0 Km initial lead from mixing plant ), with all leads and lifts upto the site.

Prime coat (Providing and applying primer coat with bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.60 kg/sqm using mechanical means.)( Including cost of testing of materials at site and laboratory as directed by the deptt.)

Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg per sqm on the prepared bituminous/granular surface cleaned with mechanical broom.( Including cost of testing of materials at site and laboratory as directed by the deptt.) on normal bituminous surface

Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg per sqm on the prepared bituminous/granular surface cleaned with mechanical broom.( Including cost of testing of materials at site and laboratory as directed by the deptt.) on granular surface treated with primer

Bituminous Macadam (Providing and laying bituminous macadam with 100-120 TPH hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading premixed with bituminous binder, transported to site, laid over a pr(including carriage of mixed materials up to 10.0 Km initial lead from mixing plant ) ( Including cost of testing of materials at site and laboratory as directed by the deptt.) '(a) With hydrated lime/ concrete '(I)with 60/70 or VG-30 grade paved bitumen ' for GradingII(19 mm nominal size), with all leads and lifts upto the site.

Semi - Dense Bituminous Concrete (Providing and laying semi dense bituminous concrete with 100-120 TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 4.5 to 5% of mix and filler transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the reqd. grade, lavel and alignment,rolling with smooth wheeled,vibratory and tandem rollers to achieve the desired compaction as per MoSRT&H cl. no.508. complete in all respect. (including carriage of mixed materials up to 10.0 Km initial lead from mixing plant )( Including cost of testing of materials at site and laboratory as directed by the deptt.) (a) With rock dust as filler ( refer table 500-9 of MoSRT&H specification) & anti stripping agent as per IS:14982( Refer Appendix-5 of MoSRT&H specification) (I)'with 60/70 or VG-30 grade bitumen for GradingII(10 mm nominal size), with all leads and lifts upto the site.

Cautionary Coard Providing and erecting of Retro-Reflectrorised cautionary, mandatory & informatory sign as per IRC: 67 made of high intensity encapsulated lens type reflective sheeting vide clause 801.3, fixed over aluminium sheeting, 2 mm thick fixed on an angle iron of 25x25x4mm supported on a mild steel angle iron post 75mm x 75mm x 6mm firmly fixed to the ground by means of properly design foundation with M-15 grade Cement concrete 45cm x 45cm x 60cm, 60cm below ground level as per approved drawing and sign. ( All the Steel work must be Tata/Sail/or any other approved brand) 80cmm x 60 cm rectangular

Direction and place identification sign upto 0.9sqm size board. Providing and erecting direction and place identification retro-Reflectrorised sign as per IRC:67 made of encapsulated lens type reflective sheeting vide clause 801.3 fixed over aluminium sheeting, 2mm thick with area not exceeding 0.9sqm fixed on an angle iron of 25x25x4mm supported on a mild steel angle iron post 75mm x 75mm x 6mm firmly fixed to the ground by means of properly design foundation with M-15 grade Cement concrete 45cm x 45cm x 60cm, 60cm below ground level as per approved drawing and sign. ( All the Steel work must be Tata/Sail/or any other approved brand)

Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorising glass beads @ 250 gms per sqm area, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35 .The finished surface to be level, uniform and free from streaks and holes and conforming to the MoSrt&H specifications

Providing reflective pavement marker with Micro prismatic lens in both direction having thermoplastic body adhering to the specification and guidelines of MoSRT&H’s fixed to the road surface using the adhesives and the procedures recommended by the manufacturers with three months replacement warranty and free maintenance.

Providing ‘Sparkle Solar Road Studs, manufactured by Tata B.P. Solar India Ltd. Of size (125mm x 125mm), 90mm height (from bottom of shank to the top of stud) with detachable battery, m6LEDs-three on each side for Bi-directional studs/ 3 LEDs on one side for unidirectional studs, ultra bright LED in amber and red colour, weight per stud 700+25 gms, flash rate of 50-65 times per minute completely water resistant and weather proof with replacement warranty and free maintenance fro one year from the date of installation of stud on road-(installation should be made using adhesives and procedures recommended by manufacturer under the supervision of their competent technician). a) Bi-directional Stud-

Boulder apron laid in wire crates (Providing and laying of boulder apron laid in wire crates made with 4mm dia GI wire conforming to IS: 280 & IS:4826 in 100mm x 100mm mesh (weaved diagonally) including 10% extra for laps and joints laid with stone boulders weighting not less than 40Kg each.)

Providing and laying Pitching on slopes laid over prepared filter media including boulder apron laid dry in front of toe of embankment complete as per drawing and Technical specifications

Providing and laying Filter material underneath pitching in slopes complete as per drawing and Technical specification

Supplying, fitting and fixing RCC guard post 150cm long erected 75cm above the ground and 75cm below the ground with M-15 grade (nominal mix 1:2:4 with broken stone aggregate up to 20mm size) of cement concrete and required reinforcement tied in position with annealed black wire including centering, moulding the top, curing including painting concrete surfaces in 23cm strips upto 0.75m from the top alternately in black and white and having 2 nos. reflective band of desired shade etc. complete as per design and as directed. 30 cm dia. RCC guard post with reinforcement of 6nos. 12mm dia TMT main steel bars and 6mm TMT/ MS stirrups at 15cm c/c.

Excavation in Marshy Soil (Excavation for roadway in marshy soil with hydraulic excavator 0.9 cum bucket capacity including cutting and loading in tippers and disposal with in all lifts and lead upto 1000 metres, trimming of bottom and side slopes in accordance with requirements of lines, grades and cross sections.)

Anti-erosion measures of bridge approach: Supply of geo bags (size 2m x1.5m pillo type) made of composite layers of geo-textile as per specifications below: Woven Geo-textile for the outer cover. The woven geo textile is woven with UV resistant slit film tape fibre with MAVR values of the following properties. 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. Geotextile, should be inert to biological degradation and resistant to naturally encountered chemicals, alkalis, and acids. * Weight (ISO-9864/ASTMD 5261) ≥2210 Gms/Sqm.* Tensile strength (ASTMD 4595) ≥235 kN/m* Tensile Elongation (ASTMD 4595) ≥5% ≤30% *Tensile strength (ASTMD 4632) = 1.5 Kn * UV resistance(ASTMD 4355) -70%/500hrs Nom woven geo textile for inner layer It is needle punched non woven geo-textile made of 100% polypropylene staple fibers which are formed into a random network for dimensional stability. It should resist UV degradation, rotting and alkalis. Tensile strength (ASTMD 4595) ≥8 kN/m *Tensile Elongation (ASTMD 4595) ≥30% <90%*Tensile strength (ASTMD 4632) = 0.8kN UV resistance (ASTMD 4355)- 70%/500 hrs Each Roll of Geo Fabric Sheet should be supplied in properly packed Bundles and should be marked with the Name of Manufacturer & Batch Number clearly on each bundle with "WRD Govt of ASSAM" to be printed on it and mentioning properly the GSM and types of Geo bag polymer. Test Certificate from approved NABL accredited and ISO Certified Laboratory should invariably be submitted against each batch of material).

Supply of G-Mat in double layered composite Geo-textile fabricated to form a three dimensional mattresses, the upper layer of the mattress being heavily woven with polypropylene fabric needle-punched with a mixture of U.V. stabilized green fibres and cut tape yarns with Upper Layer Properties as 1) Mass per unit area> 650 GSM, 2) Tensile Strength(MD) ≥ 70kN/m 31 Teasile Strength ≥ 70kN/m 4) Tensile Elongation (MD) ≥ 2555 5) Tensile Elongation(CD) ≤ 25%, 6) Pore Size <0.35mm.7) Abrasion Resistance 8) UV @ 500 hours 2 90% 9) Resistance to Oxidation @ 100€ for 28 days) 30% and Lower Layer Properties as 1) Mass per unit area 400 GSM, 2) Tensile Strength(MD) ≥ 110kN/m, 3) Tensile Strength(CD)≥90 N/m 4) Tensile Elongation (MD) ≤ 25%, 5) Tensile Elongation (CD) ≤ 25%, 6) Pore Size< 0.35mm,7) Abrasion Resistance 2 60 %, 8) UV @ 500 hours 2 90% 9) Resistance to Oxidation @100°C for 28 days) ≥80%. The sewing thread should be of high tenacity polyester and parallel stitches are to be continued positioned at 350 mm apart with a stitch length not exceeding 5 mm (Each roll of G-Mat should be supplied in properly packed bundle and should be marked with the Name of Manufacturer & Batch Number clearly on each bundle with "WRD Govt of ASSAM" to be printed on it and mentioning properly the GSM( for both upper and lower layer) and types of polymer( for both upper and lower layer) and Test Certificate from approved NABL accredited and ISO Certified Laboratory should invariably be submitted against each batch of material)

Supplying and laying of non -woven Geo-textile fabric sheets of 300 GSM manufactured from 100% virgin Polypropylene (PP) fibre with minimum properties as (1) Tensile strength ≥ 12 KN/m (i) Mass ≥ 300.00 Gm/m³ (iii) CBR Puncture strength ≥ 3.5 KN (iv) Elongation at 300.00 Gm/m (iii) CBR Puncture strength ≥ 3.5 KN (iv) Elongation at 70% (vii) AOS ≤ 75 micron (ix) Permittivity ≥ 1.25. (x) Trapezoidal Tear 70% (vii) AOS ≤ 75 micron (ix) Permittivity ≥ 1.25 Trapezoidal Tear Strength ≤ 340 N (xi) Permeability = 2.00 /1000 m/sec (xii) Seam strength = 80 % of geotextiles 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 Bundles and should be marked with the Name of Manufacturer & Batch Number clearly on each bundle 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)

Earthwork in bank trimming to the designed section/slope including removing the soils and depositing on bank/toe of proposed structures As directed by the department, including clearing light jungles,debries and other foreign materials etc. with all lead & lift, etc

Felling and laying of non-woven geo textile bags of size type B of size 2.00 mx 150mm including excavation of specified silt from flood plain or adjacent chars within a distance of 90m of the work site, filling bags with sand, stitching the mouth of the filled bags with polypropylene of polyester thread by power driven table needle machine.laying at proper site including all handling charges and local carriage within a distance of 100m complete as directed (Bag and polypropylene/ polysten tread will be supplied by the department free of cost) i) With boat

Felling and laying of non-woven geo textile bags of size type B of size 2.00 mx 150mm including excavation of specified silt from flood plain or adjacent chars within a distance of 90m of the work site, filling bags with sand, stitching the mouth of the filled bags with polypropylene of polyester thread by power driven table needle machine.laying at proper site including all handling charges and local carriage within a distance of 100m complete as directed (Bag and polypropylene/ polysten tread will be supplied by the department free of cost) ii) Without boat

:Labour charge for laying, fitting and fixing of double layered Geo textile, fabricated to form a three dimensional mattresses after filling sand at design slope, filled up with sand by pump, anchoring by cutting trench at the upper and lower end of slope of depth 1.00m x 0.75 m placing the mat by bending it into the trench, filling the trench by earth filled cement bags, sides of mattresses in sloping direction stitched by Polyester/Polypropylene thread with double locking chain stitch not less than 3 stitches per 2.50 cm to achieve minimum stream strength including all handling and carriage charge complete as directed, (Polyester/Polypropylene thread will be supplied by the department. free of cost) (Anchorage arrangement for holding the Geo Mat at both end of the slope shall be measured and paid separately)

Supply of of R.C.C porcupine member of size 0.10M x 0.10M x 3.0M with cement concrete proportion 1:2:4 reinforced by 4 nos. of 8 mm dia TMT bar and 4 mm dia 8 G. wire stirrups at 15 cm c/c, 2 nos. of holes of 20 mm dia at 50 cm inside from both sides in the same face and in the other face of the member another 2 (two) nos. of holes of size 20 mm dia at 65cm inside from both ends including properly curing of 28 (twenty eight) days and supply at work site complete'as directed. (Date of casting and name of supplier should be engraved on the members.

Labour charge for launching of R.C.C. porcupine including carriage of R.C.C. porcupine members of size 0.10m x 0.10m x 3.00m from the stack yard to the place of launching, erection of the porcupine with á(six) members properly. Supply & fitting/fixing with 12mm dia 25cm long M.S. Nuts and bolts and launching the parcupine properly as directed (lead upto 200m). i) With boat

Labour charge for launching of R.C.C. porcupine including carriage of R.C.C. porcupine members of size 0.10m x 0.10m x 3.00m from the stack yard to the place of launching, erection of the porcupine with á(six) members properly. Supply & fitting/fixing with 12mm dia 25cm long M.S. Nuts and bolts and launching the parcupine properly as directed (lead upto 200m). ii) Without boat

Construction of whole bhaluka bamboo screen with matured bhaluka bamboo stacks 75mm to 100mm dia, plced at 30 metre clear apart (.e 40 cm c/cv) divan 4.00mt to 5:00m below ground level and 3.00m to 3.50m above grounfd level with hydraulic driving equipments including hire chrge of equipments, cost of POL etc and providing with 1 row of horizontal haf jati bamboo.camies tied wih galvanised wire of 16 gauge etc complete as directed (using bhaluka bamboo @ 240 nos/Rm & jati bamboo @ 9.60 nos/Rm

Construction of temporary shed of two roof with mud plinth of 0.45 m drivem atleast 0.75m below ground and height above plinth 2.50 m spilt jati bamboo wall mud thick touch roofing over bamboo ruwa frame placing at 0.15m clear plastering white washing 2 coats 10cm apart fitted with bamboo kamies from binding doors and windows with bamboo Chatai strengthening with bamboo frame binding with wire etc. complete as directed. (Using Bhaluka bamboo 6 nos/Rm & jati Mamboo @ 61 nos/sqm

Supply of Ordinary Labour for preparation of stack yard including maintanance of approach road to the work site as directed

NK AGARWALLA