Improvement of approach road to Aai Kanaklata Than including internal footpath under Asom Darshan for the year 2019-20

Amount

Road Works Heading

Compacting Original Ground (i) Compacting original ground supporting embankment Loosening, Levelling and Compacting original ground supporting embankment to facilitate placement of first layer of embankment, scarified to a depth of 150 mm, mixed with water at OMC and then compacted by rolling so as to achieve minimum dry density as given in Tables 300.1 and 300.2 for embankment construction as per Technical Specification Clause 301.4.1.

Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 (a) Private land.

Construction of subgrade and earthen shoulders with approved material 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 with lead upto 1000 m as per Technical Specification Clause 303.1. (a) Private land.

Construction of granular sub-base by providing well 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 smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401. ii) For Grading II Material

WBM Grading 3 Using stone screening Type-B 11.2 mm for Gr.III Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405. (A) By Manual Means

(A) Inter locking concrete Block pavement :: (i) Providing and laying interlocking concrete block pavement(M40) having thickness 80mm as per technical specification clause 1504(inclusive of Edge restraint and carriage)

For carparking

Coloured ICBP

Prime Coat (I) Low porosity Providing and applying primer coat with bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.70-1.0 kg/sqm using mechanical means as per Technical Specification Clause 502

Tack Coat Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared dry and hungry bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.

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. (I)'with 60/70 or VG-30 grade bitumen, for GradingII(10 mm nominal size)

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 MoST&H specifications

Road Markers/Road Stud with Lens Reflector Providing and fixing of road stud 100 x 100 mm die cast in aluminium, resistant to corrosive effect of salt and grit, fitted with lense reflectors, installed in concrete or asphaltic surface by drilling holes 30 mm upto a depth of 600 mm and bedded in a suitable bituminous grout or epoxy mortar, all as per BS:873 (Part 4) 1973.

Traffic Signs A) Retro-reflectorised Traffic Signs I) Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 801. i) 900mm equilateral triangle

ii) 600mm equilateral triangle

iii) 600mm circular

iv) 800mm x 600mm rectangular

Planting of Trees and their Maintenance for three Year (Planting of trees by the road side (Avenue trees) in 0.60 m dia holes, 1 m deep dug in the ground, mixing the soil with decayed farm yard/sludge mannure, planting the saplings, backfilling the trenches, watering , fixing the tree guatrd and maintaining the plants for three year.

Construction of waiting shed

Earth work in excavation for foundation trenches of walls, retaining walls, footings of column, steps, septic tank etc. including refilling (return filling) the quntity as necessary after completion of work, breaking clods in return filling, dressing, watering and ramming etc. and removal of surplus earth with all lead and lifts as directed and specified in the following classification of soils including bailing out water where necessary as directed and specified. (A) Upto adepth of 2.00m below the existing G.L (a) In ordinary soil

EARTH AND SAND FILLING Earth/sand filling in plinth in layers not more than 150 mm thick including necessary carriage, watering,ramming etc. complete as directed and specified including payment of land copensation, forest royalty, sales tax and other duties and taxes as may be necessary. (C ) With silt (predominantly non plastic) by truck carriage including loading and unloading. In Plinth

Providing brick soling in foundation and under floor with stone/best quality picked jhama brick, sand packed and laid to level and in panel after preparing the subgrade as dsirected including all labour and materials and if necessary dewatering, complete. (a) Brick on flat soling. Column- A type Tie beam Floor

CEMENT CONCRETE WORKS Plain cement concrete works with coarse aggregate of sizes 13mm to 32mm in foundation bed for footing steps, walls, brick works etc. as directed and specified including dewatering if necessary, and curing complete(shutering where necessary shall be measured and paid separately) (a) In prop. 1:3:6 by volume Column- A type Tie beam

Providing and laying plain/reinforced cement concrete works cement with coarse sand 20mm dowan graded stone aggregate including dewatering if necessary, and curing complete but excluding cost of form work and reinforcement for reinforced cement concrete work (form work and reinforcement will be measured and paid separately) (A) In sub-structure up to plinth level Foundation, footing, columns with base tie and plinth beam, pile cap, base slab, retaining walls, walls of septic tank, inspection pit and the like and other works not less than 100mm thick up to plinth level. (b) M20 or Prop 1:1.5:3 Column- A type Footings Tie beam

Providing and laying plain/reinforced cement concrete works cement with coarse sand 20mm dowan graded stone aggregate including dewatering if necessary, and curing complete but excluding cost of form work and reinforcement for reinforced cement concrete work (form work and reinforcement will be measured and paid separately) (B) Super-structure from plinth level upto 1st floor level (ii) Columns ,piller,posts,struts ,suspended,floor,roof,landing,shelf and support ,balcony,lintel,still band ,beam,girder,bressumer,cantiliver,staircase (except spiral staircase and landing) including preparing the top surface and finishing of nosing . (b) M20 or Prop 1:1.5:3 Column-A type Roof beam Roof Slab Lintel

SHUTTERING/STAGGING Columns,Pillars,Posts &Strut Providing form work of ordinary timber planking so as to give a rough finish including centering,shuttering, strutting and propping etc.,height of propping and centering below supporting floor to ceiling not exceeding 4.0M and removal of the same for in -situ reinforced concrete and plain. (ii) Using 25mm thick plank. Column- A type Tie beam Roof Beam Roof Beam (Length) Lintel

Flate Surface such as soffits of suspended floor, roofs,landings, cantilever slabs,chajjas,balconies and this like. (ii) Using 25mm thick plank. Roof Slab

REINFORCEMENT Supplying, fitting and fixing in position reinforcement bars conforming to relevant I.S.Code for R.C.C. work/R.B.walling including straightening, cleaning,cutting and bending to proper shapes and length as per details,supplying and binding with 20G annealed black,supports,chairs, spacers etc. complete. (up to 1st floor level) (a) TMT-Corrosion Resistant Steel(fe-500)reinforcement bar (i) TATA/SAIL Column- A type 16 mm dia Column Footings 12 mm dia @ 125 C/C Tie beam 16 mm dia Roof beam 16 mm dia For Slab 10 mm dia 8 mm dia Lintel 10 mm dia

c) ISI approved--M.S. Rod ( 6 mm dia coil) Column- A type Tie beam Roof Beam (at Breath) Roof Beam (Length) Lintel

MASONRY WORKS Brick work in cement morter with 1st class brick including racking out joints and dewatering if necessary, and curing complete as directed and in sub-structure up to plinth level. (b) In prop. 1:4 Wall

112mm thick 1st class brick nogged wall in cement mortar including racking out joints and curing complete as directed in super structure above plinth up to 1st floor level (protruding M.S.rod/Tor steel of column to be embedded in cement mortar and will measured and paid separately) (a) In cement mortar 1:4 Wall

PLASTERING WORKS 10mm thick Cement plaster in single coat on rough side of brick/concrete walls for interior plastering up to 1st floor level including arises or rounded angles not exceeding 80mm girth and finished even and smooth including curing complete as directed. (b) In cement mortar 1:4 Wall Ceiling

15mm thick Cement plaster in single coat on rough side of brick/concrete walls for interior plastering up to 1st floor level including arises or rounded angles not exceeding 80mm girth and finished even and smooth including curing complete as directed. (b) In cement mortar 1:4 Wall Ceiling

FLOOR WORK 25mm thick cement concrete topping 1:2:4 (1 cement:2 coarse sand :4 coarse aggregate of 12mm nominal size) finished with a floating coat of neat cement finish (base concrete to be measured and paid separately) to be laid in panels including curing complete as directed. FLOOR WORK

Providing Ceramic Tiles of aproved quality, size, shape and thickness not less than 8mm on floors, skirtings, treads, and risers of steps over cement morter bed 15mm thick ……..as approved and directed by the Department. b) Executive range (sizes 400mmx400mm and above) f) Nitco made

PAINTING WORK Wall painting (two coat) with acrylicemulsion approved brand and manufacture (Asian paint/Berge paint/ICI paint/J &N paint/Nerolac) on new surface to give an even shade after thoroughly brushing the surfaces free from mortar droppings and other foreign matter and sand prepered smooth. a) Acrylic Emulsion Paint approved brand and manufacture (Asian paint/Berger paint/ICI paint/J &N paint/Nerolac)

EXTERIOR PAINTS/ COATINGS : Finishing wall with two coats of acrylic emulsion exterior coatings of Unicem "Rakshak" brand of required shade by thinning 1ltr. Of paint with 750ml of water to give an even shade after thoroughly brooming the surfaces to remove all dirt and remains of loose powdered materials as specified and directed by the department. Wall

3 (three) years Routine Maintenance

1st Year

2nd Year

3rd Year

Najrul Islam