(03)32/WBMAD/SMC/PW/25-26

Picking up and removing old bituminous layer or sand sealing coat from old black topped surface and cleaning the exposed surface by scraping and stacking the material as directed.

By manual means :

From 25 mm to 50 mm thick.

Water Bound Macadam Base Course, 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 tonnesin stages to proper grade and camber, applying and brooming requisite type of screening / binding materials to fill up the interstices of coarse aggregate,watering including lighting, guarding, barricading and making necessary earthen bundh of one metre width on each side and preparing the bed by necessary cutting orfilling, including cost of all materials and hire and labour charges of all men and machinery and compacting to the required density, as per Clause 404of Specifications for Road & Bridge Works of MoRT&H(5th Revision).

Grading-I Aggregate (63 mm to 45 mm) Using Stone Screening Type A (13.2 mm)

Manual Means

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 Hydraulic broom, moistening the surface including cost and carriage of emulsion, hire charges of machinery and labour, cost of fuel and lubricants all complete asper Clause 503 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

On Granular surfaces treated with primer (Using Bitumen emulsion at the rate of 0.25 to0.30 kg per sqm.)

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 Hydraulic broom, moistening the surface including cost and carriage of emulsion, hire charges of machinery and labour, cost of fuel and lubricants all complete asper Clause 503 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

On Bituminous Surface (Using Bitumen Emulsion at the rate of 0.20 to0.30 kg per sqm.)

Bituminous Macadam using Hot Mix Plant (HMP) Providing and laying bituminous macadam with Hot Mix Plant using approved crushed aggregates of specified grading as per Table 500.7 premixed with bituminous binder, transported to site laid over apreviously prepared surface at specified laying temperature with paver finisher to the required grade,level and alignment and rolled with suitable power roller for break down, inter-mediate and finished rolling as per specification to achieve the desired -compaction including cost and carriage of stone materials and bitumen, hire charges of machinery and equipment, cost of fuel and lubricants and wages of operational staff, quality control complete as per Clause 504 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

For Grading II(19 mm nominal size, 50-75 mm thick.)

Using Batch type HMP of minimum capacity 60-90 TPH

Seal Coat

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).

By Manual MeansWith Hot Bitumen Binder (@ 6.80 kg / 10 sqm.)

Seal Coat

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).

By Manual MeansWith Hot Bitumen Binder (@ 6.80 kg / 10 sqm.)

Road Marking with Hot Applied Thermo plasticCompound with Reflectorising Glass Beads on Bituminous SurfaceProviding and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorising glassbeads @ 250 gms per sqm area, thickness of 2.5 mm isexclusive 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).

Direction and Place Identification Signs with size more than 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 angle iron post 75 mm x 75 mm x 6 mm, 2 Nos. 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, 60cm below ground level as per approved drawing and Clause 801 of Specifications for Road & Bridge Works of MoRT&H (5th Revision)..

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