Public Health Engineering Department Tender

Water Bound Macadam Sub Base by consolidating Jhama metal / Laterite chelly or stone metal / shingles of specific size in hard crust to requisite thickness (measured after compaction) in layers including screening of metals etc. as necessary, hand packing, sweeping, watering and rolling in stages with power roller to proper line, grade and camber, lighting, guarding & barricading and making necessary earthen bundh of one metre width on each side where necessary to protect edges and preparing the bed by necessary cutting or filling and rolling all complete including the cost of all materials and hire and labour charges of all men and machineries and compacting to the required density.

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 including lighting, guarding, barricading and making necessary earthen bundh of one metre width on each side and preparing the bed by necessary cutting or filling, including cost of all materials and hire and labour charges of all men and machinery and compacting to the required density, as per Clause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). Grading-II Aggregate (53 mm to 22.4 mm) Using Stone Screening Type B (11.2 mm) B. Manual Means Add cost at site of 1.21 m³ of Grading-2 Aggregates & 0.24 m³ Stone Screening Type-B to arrive at the complete rate.

Prime Coat Providing and applying primer coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 and requisite 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 incidental costs of work complete as per Clause 502 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). For WBM / WMM Surface: (with primer @ 0.70-1.0 kg/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 as per 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 to 0.30 kg per sqm.) Tack coat (Over Granular surfaces treated with primer.) Ref p-213 rds sch.

Open Graded Premix Surfacing with Cationic Bitumen Emulsion using 13.2 mm (@ 0.018 m3/m2) and 11.2 mm (@ 0.009 m3/m2) size stone aggregates, premixed with Cationic Bituminous Emulsion (M.S. grade) conforming to IS : 8887-1970 @ 21.5 kg per 10 m² of surface, including cleaning, moistening the surface, applying tack coat with cationic bitumen emulsion, screening, cleaning and washing the stone chips, intimately mixing with emulsion using Concrete Mixer, laying the mixture uniformly over the surface and rolling with power roller after hand packing and pinning adequately to ensure a compact surface all complete as per specification and direction of the Engineer-in-charge including cost and carriage of stone materials and emulsion, including cost of labour, hire and running charges of road roller and other tools and plants and cost of all other incidental charges including hire charges and cost of fuel and lubricants of machineries and equipment for construction and quality control as per Technical Specification Clause 508.2 for Rural Roads of MORD Add cost & carriages of materials as per requirement vide Table 3.3-1 of Section 3 to get the final consolidated rate.

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 Mechanical Means With Cationic Bitumen Emulsion (@ 10.50 kg / 10 sqm.)

GST @ 18%

CESS @ 1%