WBMAD/ULB/HM/GEN- 2(2026-27)(2nd Call)

Scarifying Existing Granular Surface to a Depth of 50 mm by Manual Means Scarifying the existing granular road surface to a depth of 50 mm and disposal of scarified material within all lifts and leads upto 1000 metres (P.No.86, ITEM NO:- 14)

Water Bound Macadam Providing, laying, spreading andcompacting stone aggregates ofspecific sizes to water boundmacadam specification includingspreading in uniform thickness,handpacking, rolling with 3 wheeled steel/vibratory roller 8-10 tonnes in stagesto proper grade and camber, applyingand brooming requisite type ofscreening/ binding Materials to fill upthe interstices of coarse aggregate,watering and compacting to therequired density (Reference toMoRT&H's specification 404). Using Screening (Table 400-10) Type-A (13.2 mm aggregate) Using Screening (Table 400-10) By Manual Means Using Screening (Table 400-10) Type-A (13.2 mm aggregate) (P.No.103, ITEM NO:-9(9A(i)(b) (ANALYSIS RATE)

Prime Coat. Providing and applying primer coat with cationic bitumen emulsion SS1grade conforming to IS:8887 on prepared porous granular surfaceincluding clearing of road surface and spraying primer usingmechanical means (Reference to MORT&H's specification clause502). On WMM/WBM surface @ 0.70-1.0kg/sqm. (P.No.111, ITEM NO:-1-2(A) (i) (ANALYSIS RATE)

Tack Coat Providing and applying tack coatwith Cationic bitumen emulsion(RS1) complying with IS:8887 usingemulsion pressure distributor on theprepared bituminous/ granular/ cement concrete pavementsurface cleaned with mechanicalbroom and high pressure air jet(Reference to MORT&H'sspecification clause 503). i)On bituminous surface @ 0.20kg- 0.3kg /sqm. (P.No.111, ITEM NO:-1-2(A) (i) (ANALYSIS RATE)

Bituminous Macadam Providing and laying bituminous macadam with 100-120 TPH hotmix plant using crushed aggregates of specified grading premixed withapproved bituminous binder @ 3.3%(min) for Grading -1 and 3.4% (min)for Grading -2 by weight of totalmix , transported to site, laid overa previously prepared base withpaver finisher to the required grade, level and alignment androlled as per clauses 501.6 and 501.7 to achieve the desiredcompaction (Reference to MORT&H's specification clause504). for Grading II (19 mm nominalmaximum aggregate size) Layer Thickness 50-75mm (P.No.112, ITEM NO:-1-3 (ii) (ANALYSIS RATE)

Providing, laying and rolling ofopen - graded premix surfacing of 20 mm thickness composed of 13.2mm to 5.6 mm aggregates eitherusing viscosity grade bitumen of approved grade to required line,grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with asmooth wheeled tandem or other approved type roller 8-10 tonne capacity, finished to required level and grades (Reference to MORT&H's specification clause 510). Case - I: Mechanical method using approved grade Bitumen and HMPof appropriate capacity not less than 75 tonnes/hour . (P.No.119, ITEM NO:-1-10 (i) (ANALYSIS RATE)

Seal Coat Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using. Type Aand B seal coats (Reference to MORT&H's specification clause 511) Case - IV : Type B Providing and laying of premix sand seal coat with bitumen emulsion of suitable approved grade. (P.No.121, ITEM NO:-12 (iv) (ANALYSIS RATE)

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