Asansol Durgapur Development Authority Tender

(ii) Grading-I Aggregate (63 mm to 45 mm) Using Stone Screening Type B (11.2 mm)

(iii) Grading-II Aggregate (53 mm to 22.4 mm) Using Stone Screening Type B (11.2 mm)

Prime Coat : Providing and applying primer coat with Cationic Bitumen Emulsion of approved grade conforming to IS : 8887 -1978 and reuuisite quantity on prepared surface of Granular base including cleaning of road surface and spraying primer using Mechanical means including cost and carriage of bitumen emulsion and all other incidential costs of work complete as per Clause 502 of Specification for Road & Bridge Works of MoRT&H (5th Revision).

Tack Coat :Providing and applying tack coat with Cationic Bitumen Emulsion of approved grade conforming to IS : 8887 -1978 on the prepared surface cleaned with hydrolic broom, moistening the surface including cost and carriage of emulsion, hire chareges of machinery & labour, cost of fuel and lubricants all complete as per Clause 503 of Specification for Road & Bridge Works of MoRT&H (5th Revision).

On Bituminous Surface : using Bituminous emulsion at the rate of 0.2 to 0.3 kg /sqm.

OnGranular Surface treated with primer : using Bituminous emulsion at the rate of 0.25 to 0.3 kg /sqm.

Bituminous Macadam using Hot Mix Plant (HMT).Providing and laying Bituminous Macadam with Hot Mix Plant (light duty) using approved crushed aggregates of specified grading as Table 500.4 premixed with bituminous binder, transportated to site laid over a previously prepared surface at specified laying temperature by means of approved & suitable arrangement to the required grade , levelle and alignment and rolled with suitable power roller for break down, inter-mediate and finished rolling as per specification to achive he desired compaction including cost and carriage of stone materials & bitumen, hire charges of Machininery and equipment , cost of fuels and lubricants and wages of operational staff , quality contral complete as per Specification for Road & Bridge Works of MoRT&H (5th Revision).

For grading –2 : 19 mm nominal size , 50 -75 mm thick / Using Drum mix Type HMP of minimum capacity 40- 60 TPH. .

Providing, laying and rolling of Open - graded premix surfacing of 20 mm thickness composed of 13.2 mm (@ 0.018 m³ per m²) and 11.2 mm (@ 0.009 m³ per m²) size stone aggregates, including thoroughly cleaning of the surface, screening, cleaning and pre-heatingstone chips and fully pre-coating the same either using viscosity grade paving bitumen or cut-back or emulsion, carrying the mixture by any suitable arrangements, laying the mixture uniformly over the surface, including line, grade and level to serve as wearing course on a previously prepared base, including mixing in Mobile Hot Mix Plant (Light Duty) and thoroughly rolling with a smooth wheeled roller 8-10 tonne capacity, finished to required level and grades including the cost and carriage of stone chips and matrix, heating the matrix, preheating the aggregates to required temperature and including the hire charges of Mobile Hot Mix Plant (Light Duty) and other machinery, pay of operators, cost of fuel and lubricants etc. complete to be followed by seal coat of either Type A or Type B as per Technical Specification Clause 508 for Rural Roads of MORD.

Providing and laying Premixed Seal Coat (Type B) with approved quality sand/grit @ 0.6 m3/ 100 m2 and bitumen binder on thoroughly cleaned black top surface coated with tack coat, including heating and mixing cleaned sand/grit (100 % passing through 2.36 mm sieve and retained on 180 micron sieve) uniformly with bitumen binder, laying and spreading the mix at an uniform rate using suitable means, brushing the surface, if necessary, to ensure uniformity, followed by rolling with power roller including the cost and carriage of binder and aggregates, cost of heating the binder and aggregates and all other incidental charges, cost of fuel and lubricants, including hire charges of machineries, tools & plants required for construction and quality control complete as per Clause 511 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, removing, spreading or stacking of spoils within a lead of 150 m. as directed and including trimming the sides of the trenches, leveling, dressing and ramming the bottom, and backfilling with approved material complete as per direction of the Engineer-in-Charge

.In all sorts of soil excluding marshy soil & rocks (soft or hard) by mechanical means.

Upto 3.0 m depth

With pumping out water

Sand filling in foundation trenches and at the back of aboutments , wing - walls etc. with good local sand free from earth in layers not exceeding 15 cm. including each layer by profuse water and poking and ramming layer by layer complete including supply of sand. Quality of sand is to be approved by the EIC.

By Fine sand

Single brick flat soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand .

First class brick work in cement sand mortar in aboutment , wing wall , parapet , cross drain , drain , H.P.Culvert , guard wall etc. including curing , scaffolding , raking out joints etc. complete including cost and carriage of all materials.

In (1:6) Proportion

Hire & Labour charges for shuttering with or without staging upto 4.0 m height using approved stout prop with wooden plank/ ply / wood / steel plate with required bracing for any kind of plane or reinforce concrete works in all sorts of minor structure in cluding culvert , box culvert, cross drain etc.The rate is inclusive of fitting , fixing and striking out after completion of work as per specification & direction. (Where staging is not required)

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners, as directed and racking out joints including throating, noising and drip course, scaffolding / staging where necessary (Ground Floor) including cost of chipping over concrete surface.

With 6:1 cement mortar (20 mm thick)

Neat cement punning about 1.5 mm thick in wall , dado , drain etc.

Providing and laying Design Mix Concrete for plain / Reinforced concrete work in any part of culvert / bridge with coarse aggregates of appropriate nominal size and grading , fine aggregate (sand ) conforming to proprer grading zone, both of approved quality & cement , at necessary , including labour , cost and carriage of all materials and including prepration of design Mix approved of the same by the EIC and cost of Quality control , sampling , testing etc all complete but excluding cost of labour and materials for form work and reinforcement work.

Using Concrete Mixture

M 15 Grade Concrete

M 20 Grade Concrete

Dressing and chilling road flanks including cutting and filling with earth upto 150 mm av. thickness finished with outward cross-grade 1 in 30

Direction and Place Identification Signs upto 0.9 sqm size Board: Providing and erecting direction and place identification retro-reflectorised sign as per IRC : 67 made of high intensity grade sheeting vide clause 801.3 fixed over aluminium sheeting , 2 mm thick with area exceeding 0.9 sqm supported on a mild steel single angle iron post 75 mm x 75 mm x 6 mm , firmly fixed to the ground by means of properly designed foundation with M 15 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing and Clause 801 of specifications for Road & Bridge Works of MoRT&H (5th Revision) including lettering , sign marks etc as per direction of EIC

Sub Total

GST 18%

CESS 1%