MLCSNA/RIDF-XXV/Cachar/01

Amount

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 and backfilling with approved material. i. Ordinary soil: Mannual Means ( With out dewatering): Depth upto 3m

Providing and constructing temporary island for construction of pile foundation with depth of water upto 4.0m complete as per technical specification.

Bored cast-in-situ M35 grade R.C.C. pile excluding reinforcement complete as per drawing and technical specification and removal of excavated earth with all lifts and lead upto 1000m.'With plasticiser (Masterplast PL-1/SPL-2 or equivalent), air entraining and water reducing plasticiser ( asterplast PAE or equivalent) and accelerating plasticiser (Masterplast ACPL or equivalent) conforming to IS-9103-1999)(Pile diameter-1200mm)

Pile load test on single vertical pile in accordance with I.S. 2911 (Part IV)as per technical specifications of MORTH section no 1100 a) Initial and routine load test

Levelling course for Pile cap Providing and lying of PCC M - 15 levelling course below the pile cap. as per drawing and technical specifications 0f MORTH section

Cement concrete for reinforcement concrete in pile cap complete as per drawing and technical specifications A. RCC grade M - 25 (i ) Using concrete mixer

Providing an construction of temporary island to accommodate pile rig and other accessories including casting of pile cap, all complete in depth of water up to 400 cm.

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

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

Plain/Reinforced cement concrete in sub-structure complete as per drawing and technical specifications and steel shuttering formwork as per MoRTH specification A. RCC Grade M25: Height upto 5m : Case I Using concrete Mixer

Supplying, fitting and placing a. TMT IS:1786 Fe500 D bar reinforcement in substructure 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)

Supplying, fitting and fixing in position true to line and level elastomeric bearing conforming to IRC: 83 (Part-II) section IX and clause 2005 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications.

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification i. Granular material

Furnishing and placing Reinforced/Prestressed cement concrete in super-structure as per drawing and technical specifications including steel shuttering formwork. i. without plasticiser (A)RCC Grade M 25 CASE-(I), Using Concrete mixer (i) For T -Beam and slab, (a) Height upto 5.0m

Supplying, fitting and placing a. TMT IS:1786 Fe500 D bar reinforcement in superstructure 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 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 in situwith 20mm nominal size aggregate 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 adequate space between vertical post for expansion, complete as per approved drawings and technical specifications

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

Drainage Spouts complete as per drawing and Technical specification.

Strip Seal Expansion Joint (Providing and laying of a strip seal expansion joint catering to maximum horizontal movement upto 70 mm, complete as per approved drawings and standard specifications to be installed by the manufacturer/supplier or their authorised representative ensuring compliance to the manufacturer's instruction for installation).

Carrying out Sub Soil Investigation ( SSI), for all types of soil (except boring in rock) upto a depth of 30m or refusal ( N=100) for each foundation location as per IRC : 78-2014 and submission of SSI report to the Engineer in -Charge for approval. Preparation & submission of Design calculation & Drawings of foundations, Sub Structures, Super Structures as per relevant IRC codes and SSI report , 2 ( two) copies each of Design & Drawings of each Bridge to be submitted for approval and 8 (eight) copies after approval of competent authority.

Protection work : ' 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 as per drawing and Technical specification. i. Stone/Boulder

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

ROADS WOTRK : Embankment Construction with Material Obtained from Borrow Pits(Construction of Embankment with approved materials obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300.1 and 300.2 ( including compensation of earth)(Including cost of testing of materials at site and laboratory as directed by the deptt. as per technical specification (A) From private land

Construction of Sub grade and Earthen Shoulders (Construction of Sub grade and Earthen Shoulders with approved materials obtained from borrow pits, with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table 300.2 ( including compensation of earth)(Including cost of testing of materials at site and laboratory as directed by the deptt. as per technical specification i. From private land

Granular Sub-Base with Coarse Graded Material ( Table:- 400- 2):( Construction of granular sub-base by providing coarse 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 clause 401 ( including all lead , transporting to site) Material as per technical specification 401: (I) for grading- II Material

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 Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density. ( including all lead , transporting to site ) as per technical specification 405.(A) By Manual Means: (II) Grading- II. (a) Using stone Screening type –A (13.2 mm Agg.)

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 static roller in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density. ( including all lead , transporting to site ) as per technical specification clause no. 405.(B) By Manual Means: (III) Grading-III. (b) Using stone Screening type –B (11.2 mm Agg.)

Prime coat : Providing and applying primer coat with bitumen emulsion on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 1.00 kg/sqm)(Including cost of testing of materials at site and laboratory as directed by the deptt)using mechanical means ( a) 'With bitumen emulsion-CSS-1 ( IS-8887-2004 )

Tack coat :Providing and applying tack coat with Bitumen emulsion using emulsion pressure distributor at the rate of 0.2 to 0.25 kg per sqm on the prepared dry bituminous/granular surface cleaned with mechanical broom ( Including cost of testing of materials at site and laboratory as directed by the deptt)(I)'With bitumen emulsion-CSS-1 ( IS-8887-2004 )( Grannular Surface trated with primer)

Open - Graded Premix Surfacing: Providing, laying and rolling of open - graded premix surfacing of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or cut-back or emulsion to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a smooth wheeled roller 8-10 tonne capacity, finished to required level and grades.) (including carriage up to site from quarry and carriage of mixed materials upto site from mixing plant.) ( Including cost of testing materials at site and laboratory as directed by the deptt) (a) without anti stripping agent Case-I : Mechanical method using Penetration grade Bitumen ( 60/70 or VG-30 grade) and HMP of appropriate capacity not less than 75 tonnes / hour

Seal Coat: (Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using either Type-A or Type-B seal coats. (including carriage up to site from quarry ) (Including cost of testing of materials at site and laboratory as directed by the deptt.). as per technical specification. Without antistripping agent Case-I :Type A (Providing and laying liquid seal coat comprising of a layer of bituminous binder ( paving bitumen 60/70 or VG-30 grade, followed by a cover of crushed stone chipping of specified grade.

Supplying, fitting and fixing RCC guard post size 15cm dia 150cm long, 75cm above ground and 75cm below ground, with 4-12m Tor steel main steel and 6mm MS stirrups at 30cm c/c/ tied in position with annealed black wire, cement concrete proportion 1:2:4 with broken stone aggregate up to 20mm size including cantering moulding the top, curing, painted black and white alternately in 23cm strips up to 0.75m from the top having reflective band 2 nos. of desired shade etc. as per design and direction complete

Construction of temporary Bamboo bridge of 3.70m clear road way with Bholuka or Barua Bamboo post 5nos. in each rows driven at least180cm. below ground level and rows not more than 150cm apart from center to center Bholuka or Barua Bamboo dham longitudinal groth both closely placed and tied with half bamboo 90cm to 120cm apart in both layers and ttwo layers of jati bamboo chattais ( top layer should be digonally woven), 70 mm to 100 mm thick brushwood in between chattias should be tied with half jati bamboo on both ends, bamboo railing with bholuka or barua bamboo post placed at150cm apart jati or betua bamboo hand rails of two lines both side of every alternate rows.All tying must be done with cane or coir string and only mature bamboo should be used in work.

Retro reflectorised Traffic sign: 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) i) 60 cm circular

Retro reflectorised Traffic sign: 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) i) 60 cm x 45cm Rectangular

Supply of RCC Hume pipe ( NP4 class) 1200 mm dia and 2.5 m length as per IRC specification IS:458-1971 including all leads and lifts and cost of first class bedding of granular material / Cement Concrete M-15 grade

Labour for laying Reinforced cement concrete pipe NP4 /NP 3/prestrssed concrete pipe for culverts on first class bedding of granular material / Cement Concrete M-15 grade in double row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets .. as per MoRTH specification

Debajit Deb

SAHALOM HUSSAIN MAZUMDER

Debopriya Deb