WBPWD/RD/EE/MHD/NIT3/26-27/6

Providing, laying and rolling of Open - graded premix surfacing of 20 mm thickness composed of 13.2 mm size (@ 0.018 m³ per m²) and 11.2 mm size (@ 0.009 m³ per m²) Pakur variety stone aggregates, including thoroughly cleaning of the surface, screening, cleaning and pre-heating stone chips and fully pre-coating the same either using viscosity grade paving bitumen [VG - 30 (Pkd.)] @ 1.46 kg / m2 and Anti Stripping Agenet @ 0.5% by weight of binder (VG - 30 Pkd.) [depending up on size and stripping value of the aggregates] carrying the mixture by any suitable arrangements, laying the mixture uniformly over the surface with pre application of tack coat using bitumen emulsion M.S. (Pkd.), 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 Pakur variety Stone grit @ 0.6 m3/ 100 m2 and bitumen binder on thoroughly cleaned black top surface coated with tack coat, including heating and mixing cleaned 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). By Manual Means With Hot Bitumen Binder VG - 30 (Pkd.) (@ 6.80 kg / 10 sqm.) and Anti Stripping Agenet @ 0.5% by weight of binder (VG - 30 Pkd.) [depending up on size and stripping value of the aggregates] Over freshly laid premixed surface with out tack coat.

Repairing pot-holes and making up small depressions with ramming or power rolling including screening, cleaning chips or metals and washing, drying as necessary and heating the chips or metal where necessary, cutting pot holes to regular shapes with vertical edges, cleaning the disintegrated materials, heating matrix and applying tack coat (including sides), finishing the top of repaired surface levelled with adjoining area, including cost and carriage of stone aggregates and matrix, excluding cost of applying tack coat. With Pakur variety premixed Chips (22.4 mm @ 0.60 m3 and 11.2 mm @ 0.40 m3) with 54 kg of bitumen VG - 30 (Pkd.) per m3 of loose net volume of stone chips and Anti Stripping Agenet @ 0.5% by weight of binder (VG - 30 Pkd.) [depending up on size and stripping value of the aggregates] Using Mobile HMP (Light Duty). (The payment is to be made on the basis of loose net volume of stone materials consumed in the work)

Providing and applying tack coat with Cationic Bitumen Emulsion approved grade conforming to IS: 8887-1978 on the prepared surface cleaned with Hydraulic broom, moistening the surface including cost and carriage of emulsion, hire charges of machinery and labour, cost of fuel and lubricants all complete as per Clause 503 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). On Bituminous surface. (Using RS - 1 grade Packed Bitumen emulsion @ 0.25 kg per sqm.)

Road Marking with Hot Applied Thermoplastic Compound with Reflectorising Glass Beads on Bituminous Surface 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 complete as per Clause 803 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

Supplying & fixing of Raised pavement Markers/Road Studs/Cats eye made of polycarbonate moulded body and reflective panels with micro prismatic lens capable of providing total internal reflection of the light entering the lens face which shall support a load of 13635 kg tested in accordance to ASTM D 4280 Type H and complying to clause no 804 of MoRT& H’s specification for Road & Bridge works (Fifth Rev.). Marker height shall not be less than 10mm and shall not exceed 20mm, width shall not exceed 130 mm and with minimum reflective area of 13 sq.cm on each side and slope to the base shall be 35 ± 5 degre. Fixing will be without nails but by using epoxy resin based adhesive as per manufacturer’s recommendation including site clearance etc. and complete as directed by the Engineer in Charge. The contractor will have to provide a test certificate from a reputable national/ international laboratory conforming the above specifications.

GST @ 18% on Item no 1.00 to 6.00

Labour Welfare Cess @ 1% on Item no 1.00 to 7.00