Special Repair/Renovation of internal road of Vidyalaya

Amount

M & L for preparation of existing black top surfaces by brushing with wire brush or removing caked mud etc. sweeping with brooms and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt etc. and applying evenly a tack coat with bituminous primer (paving bitumen) VG-30 @ 5 Kg per 10 Sqm using mechanical sprayer etc complete all as specified and directed.

M & L for providing 30 mm consolidated thickness bituminous premixed semidense asphaltic concrete with marshal stability 1050 Kg using binder paving bitumen (VG-30) contents @ 5.5% by weight of total mix, mixed in automatic hot mix plant & laid in single layer using self propelled mechanical paver rolled & compacted with power road roller 8 to 12 tonne capacity and consolidated to required gradient and camber etc complete all as specified and directed. Note:-(i) In the event of increase in percentage of binder content as per job mix formula ,nothing extra shall be admissible and quoted rate shall be deemed to include for the same. However, in case bitumen requirement is less than 5.5% Then same shall be regularized as per actual mix design with minus adjustment of less bitumen @ Rs 50 per Kg. (ii) Please note that SDAC to be laid immediately after laying of BM. In case the SDAC could not be laid within 48 hours of laying of BM, primer coat @ 5 Kg/ 10 Sqm shall be applied over freshly prepared bituminous surface and nothing extra shall be paid by the Govt. on this account. No claim what so ever shall be entertained by Govt on this account. (iii) Contractor shall be provide bitumen extraction apparatus alongwith benzene and other requiste material at site to determine the bitumen content without any extra cost for item No. 02 of BOQ design mix semi dense asphaltic concrete.

M & L for premix bituminous,macadam using binder paving bitumen(VG-30) @ 4.0% by weight of total mix, mixed in automatic hot mix plant using design mix and laid by using self propelled mechanical paver, consolidated thickness 75mm or less laid/rolled and compacted to required gradient and camber using 8 to 12 tonne power road roller to achieve uniform smooth surface etc complete all as specified & directed. Note:-In the event of increase in percentage of binder content as per job mix formula ,nothing extra shall be admissible and quoted rate shall be deemed to include for the same. However, in case bitumen requirement is less than 4.0% same shall be regularized as per actual mix design with minus adjustment of less bitumen @ Rs. 50 Kg.

M&L for repair to pot holes not exceedng 1 sqm each including sweeping free from dust and mud or water scoring sunken surface in roads, path etc cutting around edges to at least 25 mm in depth and making good by filling screened and graded road metal watering and well ramming and rolled using 8 to 12 tonne capacity power road roller (including supply of road metal ), depth of pot holes exceeding 30 mm complete all as specified and directed.

M & L for preparation of unsurfaced WBM surfaces by brushing with wire brush or removing caked mud etc. sweeping with brooms and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt etc. and applying evenly a tack coat with bituminous primer (paving bitumen) VG-30 @ 10 Kg per 10 Sqm using mechanical sprayer etc complete all as specified and directed.

M & L for 100 mm ( compacted thickness) Soling (or sub base) with broken boulders or quarried stone, inter stices filled, surface formed and rolled and consolidated to required gradient and camber rolled with using 8 to 12 tonne capacity power road roller complete all as specified and directed.

M & L for preparing of black top road surface removing dust ,dirt grease and other foregin matters etc. to receive the marking and applying one coat of retro reflective thermoplastic road marking paint (white or yellow shade ) not less than 2.0 mm thick(average) in lines, arrow dashes & letters exceeding 10cm in width applied hot using application unit and retroreftective glass beads, @ 250 to 300 gm/sqm to withstand vehiclular traffic load, material shall be conforming to BS-3262( Part- I) 1989 read in conjuction with the MOST( Ministry of Surface Transport) specification ,8034 Vo-III as laid down in the specification for road and bright work third revision etc complete all as specified and directed. Note - MOST specification 8034 shall be followed strictly for execution of work & suitable machine shall be used for the marking as approved by the GE. Shape & size/ patterns of marking shall be as approved by the GE before execution of work.

RADHIKA DEVELOPERS

Shapers Constructions Limited