PDG AND LYG OF WBM 75 MM BC 30 MM AND DBM 50 MM CONSOLIDATED TH PRIME COAT AND TACK COAT SCARIFYING EXTG BT SURFACE AND BERM FILLING FOR IRQ WKS BETN KM 82 TO KM 131 PT 50 ON ST RD UNDER 74 RCC PROJECT PUSHPAK IN MIZORAM STATE

Amount

Providing and laying OF WBM 75 mm thick consolidated of stone metal size 63 mm to 45 mm, conforming to clause 404 of Specification for road and bridge works (5th Revision) of MORT&H (Ministry of Road Transports and Highways) and grading No 1, as per Table-400-9 with type 'A' screening as per Table 400-10 and satisfying the physical requirement as per Table-400-8 of MORT&H specifications, spreading, rolling with vibratory Road roller duly maintaining the camber and super elevation all complete.

Providing and applying primer coat with bitumen emulsion on prepared surface of WMM including clearing of road surface with mechanical broom and spraying primer @ 7.50 Kg per 10 sqm. (using BPD with manual labour) conforming to clause 502 of MORT&H Specification for road and bridge works (5th Revision) of MORT&H (Ministry of Road Transports and Highways), complete in all respect as directed

Providing and applying tack coat with bitumen VG-10 using bitumen pressure distributor @ 2.5 Kg/10 Sqm on prepared surface cleaned with mechanical broom, all complete as per clause 503 of MoRT&H specifications for road and bridge works (5th Revision) of MORT&H (Ministry of Road Transports and Highways), complete in all respect as directed.

Providing and laying 50 mm thick consolidated Dense Bituminous Macadam (DBM)conforming to clause 505 of MORT&H Specification for road and bridge works (5th Revision) of MORT&H (Ministry of Road Transports and Highways), ), including cost of coarse aggregates fine aggregate filler, bitumen (quantity and grade as per approved job mix formula) etc, pre-heating of the mineral aggregate, filler bitumen to the specified temperature, thoroughly mixing with binder of specified bitumen content as per mix design (Pre-heating of the mineral aggregates and filler and mixing the same with heated bitumen to be done with Hot mix plant of 20T-30T/40T-60T capacity as approved by the Engineer-in-Charge), carrying the hot premixed materials by means of tipper, trucks or any other approved and suitable arrangements, pouring the hot premixed materials in the paver finisher, laying, compaction including running expenses of all plants inclusive of, required quality control tests at required interval etc complete in all respect as directed, compacted thickness of Dense bituminous layer 50 mm thick consolidated

Providing and laying of 30 mm thick consolidated Bituminous Concrete mix conforming to clause 507 of MORT&H Specification for road and bridge works (5th Revision) of MORT&H (Ministry of Road Transports and Highways), including cost of coarse aggregates fine aggregate filler, bitumen (quantity and grade as per approved job mix formula) etc, pre-heating of the mineral aggregate, filler bitumen to the specified temperature, thoroughly mixing with binder of specified bitumen content as per mix design (Pre-heating of the mineral aggregates and filler and mixing the same with heated bitumen to be done with Hot mix plant of 20T-30T/40T-60T capacity as approved by the Engineer-in-Charge), carrying the hot premixed materials by means of tipper, trucks or any other approved and suitable arrangements, pouring the hot premixed materials in the paver finisher, laying, compaction including running expenses of all plants inclusive of, required quality control tests at required interval etc complete in all respect as directed

Scarifying existing BT surface in the manner to avoid any horizontal shear failure as directed

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