Tirumala Tirupati Devasthanams Tender

Providing BT Renewal Coat to the internal Roads;Note : 1. Although the rollers are required only for 3 hrs as per norms of output, but the same have to be available at site for 6 hrs as the Hot mix plant and paver will take six hours for mixing and paving the output of 450 tonnes considered in this analysis. To cater for the idle period of these roller there usage rates have been multiplied by a factor of 0.65.

Providing BT Renewal Coat to the internal Roads;2. Quantity of Bitumen has been taken for analysis purpose. The actual quantity will depend upon job mix formula.

Providing BT Renewal Coat to the internal Roads;3. Labour for traffic control, watch and ward and other miscellaneous duties at site including sundries have been included in administrative overheads of the contractor.

Providing BT Renewal Coat to the internal Roads;4. The individual density for each size of aggregates to be used for construction I.e.,37.5-25 mm, 25-10 mm etc., should be found in the laboratory and accordingly the quantities should be amended for use in field. The average density of 1.5 tonne/cu.m is only a reference density in this Data Book.

Providing BT Renewal Coat to the internal Roads;5. The individual percentage of aggregates should be calculated from the total weight of dry aggregates I.e., excluding the weight of bitumen. The weight of filler will also be 2 per cent by weight of dry aggregates.

Providing BT Renewal Coat to the internal Roads;Providing and laying Bituminous macadam of specified compacted thickness using VG30 grade bitumen on prepared surface with specified IRC size HBG crushed stone aggregates of (specified grading premixed with bituminous binder) grading conforming to Table 500-7 for base course, including loading of aggregates with F.E. loader and Hot mixing of stone aggregates and bitumen in Hot mix plant 40-60 TPH capacity, transporting the mixed material to the site, laid over a previously prepared surface with mechanical paver finisher to the required grade, level & alignment and rolled as per clauses 501.60 and 501.70 using Smooth wheeled roller 8-10 tonnes for initial break down rolling and Vibratory roller 8-10 tonnes for intermediate rolling and Finish rolling with 6-8 tonnes Smooth wheeled tandem roller to achieve the desired compaction as per Technical specification No.504 of MORTH including cost of cleaning with air compressor 250 cfm, all labour, materials, hire charges of machinery, loading, unloading and conveyance etc., but excluding cost of prime/tack coat as per specification vide clause No. 504 of MORTH (5th Revision) etc., complete in all respects and as directed by Engineer-in-charge during execution with the following materials - Grading II (19 mm nominal size) Layer thickness - 50 to 75 mm with 3.4% of Bitumen by weight of total mix.

Providing BT Renewal Coat to the internal Roads;Note: 1. Although the rollers are required only for 3 hrs as per norms of output, but the same have to be available at site for 6 hrs as the Hot mix plant and paver will take six hours for mixing and paving the output of 450 tonnes considered in this analysis. To cater for the idle period of these roller there usage rates have been multiplied by a factor of 0.65

Providing BT Renewal Coat to the internal Roads;2. Quantity of Bitumen has been taken for estimate purpose. The actual quantity will depend upon job mix formula.

Providing BT Renewal Coat to the internal Roads;3. Labour for traffic control, watch and ward and other miscellaneous duties at site including sundries have been included in administrative overheads of the contractor.

Providing BT Renewal Coat to the internal Roads;4. In case of bitumen emulsion usage the above rates vary.

Providing BT Renewal Coat to the internal Roads;Providing and laying of Hot applied Thermoplastic Compound 2.5 mm thick including with Reflectorising Glass Beads @ 250gms per Sqm area, thickness of 2.5 mm is exclusive of surface applied Glass Beads as per IRC:35, including cost and conveyance of material, labour charges, hire charges of machinery, for finished item of work. The material should be of BERGER make (as per MORTH 803). The finished surface to be level, uniform and free from steaks and holes as per specification 803 MORTH - on Bituminus surface

Providing BT Renewal Coat to the internal Roads;Conveyance charges for machinery for transporting of earth / sand / gravel / murrum etc., by trippers and trucks including loading, unloading and idle hire charges to a lead of 5 KMs from work site, as directed by the Engineer in charge and as directed during execution of work.