Public Works Department Tender

Road side Pucca Drains Construction of road side pucca drain with M10 (1:3:6) with jhama brick aggregate) to specified lines, grades,levels and dimensions as per approved design and MoRD Technical Specification Clause 307, 1606. Excavated material to be used in embankment at site. (including centering, shuttering, etc. but excluding reinforcement) (A)Trapezoidal drain (top clear width 600 mm,bottom clear width 300 mm and clear depth of 400 mm) I. In Ordinary Soil

Patch repairing/ Maintenance of bituminous surface road using jhamma brick aggregate & Vioscocity graded bitumen (VG-30) Repairing pot holes and making up small depressions with ramming or power rolling after removal/ Disposal of disintegrated materials within a lead of 50m, cutting potholes to regular shapes with vertical edges and levelling the bottom, cleaning the same with compressed air or any appropriate method including screening, cleaning of aggregates; filling up with hama chips using bitumen of VG-30 Grade @ 54 Kg per m3 of loose volume of Jhama brick chips, after applying tack coat of bitumen on sides and and bottom @0.75 Kg/Sqm and finishing the top of repaired surface levelled with adjoining area in proper grade and camber including spreading of sand @ 0.006 cum/sqm of prepared road surface as per direction of the Engineer-in-charge and all as per MoRD technical specification Clauses 1900, 502, 503 and 504.

Tack Coat using hot straight run Bitumen of Grade VG-30 on W.B.M Providing and applying tack coat using hot straight run Bitumen of Grade VG-30, including heating the Bitumen, spraying the bitumen,cleaning and preparing the existing road surface as per specifications: on W.B.M @ 0.75 Kg/Sqm.

Seal Coat Providing & laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade & cross fall using Type A or Type B or Type C or Type D as per MoRD technical specification clauses 510. 1) By Manual Means. Case-iv : Type D ( Premix with fine sand ) i) Bitumen (60/70 Grade) VG-30

20mm thick open –graded premix carpet using Bituminous (penetration grade / Modified bitumen) binder. Providing & laying rolling of open –graded carpet of 20mm thickness composed of 13.2mm to 5.6mm aggt.Either using penetration grade bitumen of emulsion to required line, grade & level to serve as wearing course on a previously prepared base in/c. mixing in a suitable plants, laying & rolling with a three wheel 80-100km static roller capacity, finished to required level & grades to be followed by seal coat of either type A or type B C or type D as per MoRD technical specification clauses 508. Case-II : By Manual Means. i) Bitumen (60/70 Grade) VG-30

Water Bound Macadam Sub-Base/ Base using Jhama Brick Aggregate 1). WBM Grading- 3 : (i) Providing, laying, spreading and compacting 53 mm to 0.075 mm jhama brick aggregates to water bound macadam specification including spreading in uniform thickness, hand picking rolling with three wheel roller 80-100 KN in stage to proper grade and camber, applying and brooming and binding materials to fill up the interstices of coarse aggregate , watering and compacting to the required density Grading- 3 as per MoRD Technical Specification Clause 405. a) By manual Means

Tack Coat using hot straight run Bitumen of Grade VG-30 on Bituminous surface Providing and applying tack coat using hot straight run Bitumen of Grade VG-30, including heating the Bitumen, spraying the bitumen,cleaning and preparing the existing road surface as per specifications: on bituminous surface @ 0.50 Kg/Sqm.