| SL# | Item Code | Item Description | Unit |
Rate for ZoneA Dhaka & Mymensingh Division |
Rate for ZoneB Chattogram & Sylhet Division |
Rate for ZoneC Rajshahi & Rangpur Division |
Rate for ZoneD Khulna & Barishal Division |
|---|---|---|---|---|---|---|---|
| DIVISION 24 : ROAD AND PAVEMENT WORKS | |||||||
| 1261. | 24.10.4 | Providing compacted aggregate base type-I ( With Pever) with graded metal of Crushed boulder<9mm, Crushed boulder<25mm, Crushed boulder <38mm and Sylhet sand F.M>1.00 @ ratio of (2:1) (Brick Khoa : Sand) having compacted thickness of 150mm including local handling spreading uniformly to proper grade and camber and super elevation, hand packing, rolling properly with 7-10 tone vibratory roller and watering profusely for proper consolidation with blending materials etc. in/c. cost of all materials complete as per direction of the Engineer-in-charge (Payment will be made on compacted volume and compaction of 98% MDD in Modified Proctor Test). | Cum | 10308 | 10460 | 9692 | 9399 |
| 1262. | 24.10.5 | Providing compacted aggregate base type-II with graded metal of crushed well burnt picked jhama, 1st class brick chips 25mm to 38mm size and Sylhet sand F.M>1.00 @ ratio of (2:1) (Brick Khoa : Sand) having compacted thickness of 150mm including local handling spreading uniformly to proper grade and camber and super elevation, hand packing, rolling properly with 7-10 tone vibratory roller and watering profusely for proper consolidation with blending materials etc. in/c. cost of all materials complete as per direction of the Engineer-in-charge (Payment will be made on compacted volume and compaction of 98% MDD in Modified Proctor Test). | Cum | 6410 | 6401 | 6285 | 6208 |
| 1263. | 24.10.6 | Providing compacted aggregate base type-II ( With Pever) with graded metal of crushed well burnt picked jhama, 1st class brick chips 25mm to 38mm size and Sylhet sand F.M>1.00 @ ratio of (2:1) (Brick Khoa : Sand) having compacted thickness of 150mm including local handling spreading uniformly to proper grade and camber and super elevation, hand packing, rolling properly with 7-10 tone vibratory roller and watering profusely for proper consolidation with blending materials etc. in/c. cost of all materials complete as per direction of the Engineer-in-charge (Payment will be made on compacted volume and compaction of 98% MDD in Modified Proctor Test). | Cum | 6649 | 6641 | 6524 | 6447 |
| 1264. | 24.11 | 50 mm thick compacted pre-mixed bituminous carpeting with 20 mm down graded stone-chips (having LAA value <= 30%, water absorption not greater than 2%, flakiness index not greater than 35) of gradation as specified @ 0.68 cum of stonechips mixed with 46 kg of heated bitumen of 60/70 penetration grade heated straight run bitumen satisfying the requirements of ASTM/AASHTO. Bitumen content % by wt. of total is 4.5% to 5.50% or as determined by job mix design. The bitumen and stone-chips shall be separately heated to a temperature of 140°C – 155°C and 150°C – 170°C respectively before mixing. The mixing shall be done at temperature between 140°C – 160°C at a separate place away from the fire. The bitumen and stone-chips mixture shall be laid uniformly over 10 sqm of surface in proper camber, grade and super-elevation only on the prepared and accepted base or surface in a single appropriate layer to give the specified compacted thickness. The mixture should be rolled with appropriate steel drum roller (3-5 tons) & pneumatic multiple tire roller (8-10 tons) to full compaction. The rolling temperature shall be maintained not below 90°C including supplying of all materials, their carriage, labourers, tools and equipment etc. all complete as per direction of the Engineer-in-charge. (In order to achieve the specified grading a blending of nominal maximum size of 20 mm, 12 mm crushed stone chips and stone dust is suggested and proportion will have to be determined by the laboratory analysis). | sqm | 979 | 978 | 951 | 935 |
| 1265. | 24.12 | 38 mm thick compacted pre-mixed bituminous carpeting with 20 mm down graded stone-chips (having LAA value <= 30%, water absorption not greater than 2%, flakiness index not greater than 35) of gradation as specified @ 0.63 cum of stonechips mixed with 37 kg heated bitumen of 60/70 penetration grade heated straight run bitumen satisfying the requirements of ASTM/AASHTO. Bitumen content % by wt. of total is 4.5% to 5.50% or as determined by job mix design. The bitumen and stone-chips shall be separately heated to a temperature of 140°C – 155°C and 150°C – 170°C respectively before mixing. The mixing shall be done at temperature between 140°C – 160°C at a separate place away from the fire. The bitumen and stone-chips mixture shall be laid uniformly over 10 sqm of surface in proper camber, grade and super-elevation only on the prepared and accepted base or surface in a single appropriate layer to give the specified compacted thickness. The mixture should be rolled with appropriate steel drum roller (3-5 tons) & pneumatic multiple tire roller (8-10 tons) to full compaction. The rolling temperature shall be maintained not below 90°C including supplying of all materials, their carriage, labourers, tools and equipment etc. all complete as per direction of the Engineer-in-charge. (In order to achieve the specified grading a blending of nominal maximum size of 20 mm, 12 mm crushed stone chips and stone dust is suggested and proportion will have to be determined by the laboratory analysis). | sqm | 791 | 791 | 770 | 757 |
| 1266. | 24.13 | 25 mm thick compacted pre-mixed bituminous carpeting with 12 mm down graded stone-chips (having LAA value <= 30%, water absorption not greater than 2%, flakiness index not greater than 35) of gradation as specified @ 0.34 cum of stone chips mixed with 23 kg heated bitumen of 60/70 penetration grade heated straight run bitumen satisfying the requirements of ASTM/AASHTO. Bitumen content % by wt. of total is 4.5% to 5.50% or as determined by job mix design. The bitumen and stone-chips shall be separately heated to a temperature of 140°C – 155°C and 150°C – 170°C respectively before mixing. The mixing shall be done at temperature between 140°C – 160°C at a separate place away from the fire. The bitumen and stone-chips mixture shall be laid uniformly over 10 sqm of surface in proper camber, grade and super-elevation only on the prepared and accepted base or surface in a single appropriate layer to give the specified compacted thickness. The mixture should be rolled with appropriate steel drum roller (3-5 tons) & pneumatic multiple tire roller (8-10 tons) to full compaction. The rolling temperature shall be maintained not below 90°C including supplying of all materials, their carriage, labourers, tools and equipment etc. all complete as per direction of the Engineer-in-charge. (In order to achieve the specified grading a blending of nominal maximum size of 20 mm, 12 mm crushed stone chips and stone dust is suggested and proportion will have to be determined by the laboratory analysis). | sqm | 505 | 502 | 493 | 487 |
| 1267. | 24.14 | 38 mm thick compacted pre-mixed dense bituminous carpeting with 20 mm down graded stone-chips (having LAA value <= 30%, water absorption not greater than 2%, flakiness index not greater than 35) of gradation as specified @ 0.56 cum of stone chips mixed with 45 kg heated bitumen of 60/70 penetration grade heated straight run bitumen satisfying the requirements of ASTM/ AASHTO. Bitumen content % by wt. of total is 4.5% to 5.50% or as determined by job mix design. The bitumen and stone-chips shall be separately heated to a temperature of 140°C – 155°C and 150°C – 170°C respectively before mixing. The mixing shall be done at temperature between 140°C – 160°C at a separate place away from the fire. The bitumen and stone-chips mixture shall be laid uniformly over 10 sqm of surface in proper camber, grade and super-elevation only on the prepared and accepted base or surface in a single appropriate layer to give the specified compacted thickness. The mixture should be rolled with appropriate steel drum roller (3-5 tons) & pneumatic multiple tire roller (8-10 tons) to full compaction. The rolling temperature shall be maintained not below 90°C including supplying of all materials, their carriage, labourers, tools and equipment etc. all complete as per direction of the Engineer-in-charge. (In order to achieve the specified grading a blending of nominal maximum size of 20 mm, 12 mm crushed stone chips and stone dust is suggested and proportion will have to be determined by the laboratory analysis). | sqm | 845 | 843 | 826 | 814 |
| 1268. | 24.15 | 25 mm thick compacted pre-mixed dense bituminous carpeting with 12 mm down graded stone-chips (having LAA value <= 30%, water absorption not greater than 2%, flakiness index not greater than 35) of gradation as specified, @ 0.35 cum of stonechips mixed with 29.8 kg heated bitumen of 60/70 penetration grade heated straight run bitumen satisfying the requirements of ASTM/AASHTO. Bitumen content % by wt. of total is 4.5% to 5.50% or as determined by job mix design. The bitumen and stone-chips shall be separately heated to a temperature of 140°C – 155°C and 150°C – 170°C respectively before mixing. The mixing shall be done at temperature between 140°C – 160°C at a separate place away from the fire. The bitumen and stone-chips mixture shall be laid uniformly over 10 sqm of surface in proper camber, grade and super-elevation only on the prepared and accepted base or surface in a single appropriate layer to give the specified compacted thickness. The mixture should be rolled with appropriate steel drum roller (3-5 tons) & pneumatic multiple tire roller (8-10 tons) to full compaction. The rolling temperature shall be maintained not below 90°C including supply of all materials, their carriage, labourers, tools and equipments etc. all complete as per direction of the Engineer-in-charge. (In order to achieve the specified grading, a blending of nominal maximum size of 20mm, 12mm crushed stone chips and stone dust is suggested and proportion will have to be determined by the laboratory analysis). | sqm | 538 | 535 | 529 | 524 |
| 1269. | 24.16 | Providing and laying pre-mixed dense bituminous carpeting with hot mix plant using coarse aggregate, fine aggregate, filler and bituminous binder as per design Job Mix Formula conforming Marshall Method as per specification, LAA value of aggregate should be <=30%, water absorption not >2%, flakiness index not >35 mixed with 60/70 penetration grade straight run bitumen satisfying the requirements of ASTM/AASHTO. including screening, cleaning of chips and preparing a uniform and quality mix in hot mix plant and ensuring a homogenous mix, in which all particles of the mineral aggregates are coated uniformly, carrying the hot premixed materials by means of dump/tipper truck, spreading the mixed materials at specified laying temperature with a hydrostatic paver finisher with sensor control to the required grade, level and alignment over the prepared surface, tamping and finishing the mix at specified compacted thickness, maintaining specified camber, grade, super-elevation and cross section, through rolling with appropriate steel drum roller & pneumatic multiple tire roller (8-10 tons) to full compaction, for break down, inter - mediate and finished rolling to achieve the desired density of at least 98% of that of Laboratory Marshall specimen, hand packing and pinning to give an even surface, including cost of all materials, their carriages, hire charges of hot mix plant and all other machines, equipments for construction and quality control as per specification, fuels, lubricants and wages of operational staff etc. all complete as per the direction of the Engineer-in-charge. (Carpeting work by using asphalt plant is mandatory for all divisional headquarter & capital city) | cum | 21695 | 21668 | 21345 | 21049 |
| 1270. | 24.17 | Providing tack coat @ 7.50 kg of bitumen (60/70 penetration grade) per 10 sqm including heating bitumen up to 175°C to 185°C etc. all complete (cost of bitumen included) and accepted by the Engineer-in-charge. | sqm | 89 | 87 | 88 | 88 |
