WBPWD/PW(R)/SEPD/PIU-I/NIT-36 OF 2026-2027_SL_1

Cold Milling Cold Milling of Bituminous Pavement surface upto the required depth by mechanical means using milling machine, without disturbing the under lying layers, to proper line and level, cleaning the surface properly after milling and removing the loose materials, stacking the milled materials for re-use, necessary guarding, barricading & lighting, including hire charges of machinery, cost of fuel and labour and other incidental charges all complete and as per direction of Engineer-in-Charge. For depth upto 100mm

Granular Sub-Base with Graded Material Plant Mix Method Construction of granular sub-base byproviding graded material such asnatural sand/crushed gravel/ crushed stone/ combination depending uponthe required grading spreading in uniform layers with motor grader on prepared surface, mixing byappropriate mechanical mixure (withcontrolled addition of water), and compacting with vibratory roller toachieve at least 98% of the maximumdry density for the materialdetermined as per IS:2720 (Part 8),complete as per clause 401 Rate per cum for grading-III Material Using Pakur Variety Stone Materials & Medium Sand (Payment will be made on the basis of finished compacted volume)

Wet Mix Macadam Providing, laying, spreading and compacting graded stone aggregate conforming to the grading of table 400- 13 revised vide table 2 of IRC : 109 (2015) to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density .The thickness of a single compacted layer shall not be less than 75 mm.(Reference to MoRT&H's specification 406.) Using Pakur Variety Stone Materials (Payment will be made on the basis of finished compacted volume)

Prime Coat Providing and applying primer coat with cationic bitumen emulsion SS1 grade conforming to IS:8887 on prepared porous granular surface including clearing of road surface and spraying primer using mechanical means (Reference to MORT&H's specification clause 502). For WBM / WMM Surface: [with Cationic Bitumen Emulsion (Bulk) CSS-1 (H)Type @ 0.85 kg/ sqm] (Payment will be made on the basis of finished surface area)

Tack Coat Providing and applying tack coat with Cationic bitumen emulsion (RS1) complying with IS:8887 using emulsion pressure distributor on the prepared bituminous/granular /cement concrete pavement surface cleaned with mechanical broom and high pressure air jet (Reference to MORT&H's specification clause 503). On Granular surface treated with primer: [By using Cationic Bitumen Emulsion RS Type (Bulk) @ 0.275 kg/m2] (Payment will be made on the basis of finished surface area)

Tack Coat Providing and applying tack coat with Cationic bitumen emulsion (RS1) complying with IS:8887 using emulsion pressure distributor on the prepared bituminous/granular /cement concrete pavement surface cleaned with mechanical broom and high pressure air jet (Reference to MORT&H's specification clause 503). On Bituminous Surface: [By using Cationic Bitumen Emulsion RS Type (Bulk) @ 0.25 kg/m2] (Payment will be made on the basis of finished surface area)

Dense Graded Bituminous Macadam Providing and laying dense graded bituminous macadam with 100-120 TPH batch type HMP using crushed aggregates of specified grading, premixed with bituminous binder of approved grade @ 4.0% (min) for Grading -1 and 4.5% (min) for Grading -2 by weight of total mix and filler(Cement /hydrated lime / Rock dust ) as per table 500-10 and mix design done as per table 500- 11and job mix formula as per clause 505.3.3 transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory tandem roller and with pneumatic tyre roller of 12 to 15 tonne weight with a pressure at least 0.56 MPa as directed by E-I-C, and to achieve the desired compaction as per MORT&H specification clause No. 505.3.5 complete in all respects (Reference to MORT&H's specification clause 505). For Grading 2 (26.5 mm nominal maximum aggregate size ), 50-75 mm compacted thickness Using Pakur variety stone material, hydrated lime and bituminous binder (VG-40 bulk @ 104.00kg./ m3) Using Batch Type HMP of minimum capacity 100-120 TPH. (Payment will be made on the basis of finished compacted volume)

Bituminous Concrete Providing and laying bituminous concrete with 100-120 TPH batch type hot mix plant using crushed aggregates of specified grading, premixed with bituminous binder of approved grade@ 5.2% (min) for Gr.-1 & @ 5.4% (min) for Gr.-2 , as per table 500-17, and mix design done as per table 500-10 and job mix formula as per cl. 505.3.3 and filler(Cement /hydrated lime / Rock dust ), transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory tandem roller and with pneumatic tyre roller of 12 to 15 tonne weight with a pressure at least 0.56 MPa as directed by E-I-C to achieve the desired compaction as per clause no 507.3.5 complete in all respects ref. to MORTH specification clause No.507. For Grading 2 ( 13.2 mm nominal maximum aggregate size), Layer thickness: 30 mm compacted thick Using Pakur variety stone material, hydrated lime and bituminous binder (VG-40 bulk @ 127.0kg./ m3) Using Batch Type HMP of minimum capacity 100-120 TPH. (Payment will be made on the basis of finished compacted volume)

Mastic Asphalt Providing and laying 25 mm thick mastic asphalt wearing course with approved grade bitumen meeting the requirements given in table 500- 39, prepared by using mastic cooker and laid to required level and slope after cleaning the surface, including providing antiskid surface with bitumen (VG-40 bulk, 0.014 Kg per Sqm.) precoated fine-grained hard stone chipping of 13.2 mm nominal size at the rate of 0.0057cum per 10 sqm and at an approximate spacing of 10 cm center to center in both directions, pressed into surface when the temperature of surfaces is not less than 100°C, protruding 1 mm to 4 mm over mastic surface, all complete as per clause 516 (Reference to MORT&H's specification clause 516 along with IRC:107). 25 mm thick Using Pakur variety of Stone Aggregates and using Industrial grade (Packed) bitumen (85/25 Grade) @ 5.714 kg/sqm.