tender for annual plan-chembilode gp. p.no.99 / 2023-retarring to chathothkulam road.-general civil work; 1 retarring 2 3.7:removal of unsuitable soil with disposal upto 1000 m
removal of unsuitable soil including excavation, loading and disposal upto 1000 m lead but excluding compaction ground supporting embankment subgrade replacement by suitable soil, which shall be paid separately as per clause 303.5.2 as per technical specification clause 302.3.11 3 75.5.5.b.2pb:modified penetration macadam 75 mm thick using bitumen s-65 - packed bitumen ratesconstruction of penetration macadam over prepared base by providing a layer of compacted crushed coarse aggregate using chips spreader with alternate applications of bituminous binder and key aggregates and rolling with a three wheel 80-100 kn static roller to achieve the desired degree of compaction as per technical specification clause 506. 4 3.2:preparation of foundation for embankmentscarifying existing bituminous surface to a depth of 150 mm by mechanical meansscarifying the existing bituminous road surface to a depth of 150 mm and disposal of scarified material with a lift upto 3 m and lead upto 1000 m as per technical specification clause 301.4. 5 4.11.2:granular sub-base / base / surface course with local materials ( table 400.13 ) by mix in place method normal. construction of granular sub-base by providing local material spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at once and compacting with smooth wheel roller to achieve the desired density complete as per clause 401.4 as per technical specification clause 408. ( ii ) using gravel mix soil. 6 od138806 / 2023-2024:od1472769 / 2021_2022 :granular sub-base / base / surface course with serviceable materials available ( departmental material ) during scarifying of existing road . construction of granular sub-base withdepartmental material spreading in uniform layers with motor grader on prepared surface, mixing by mix inplace method with rotavator at once and compacting with smooth wheel roller to achieve the desired densitycomplete as per clause 401.4 as per technical specification clause 408. ( modified 4.11.2 ) 7 4.9:wet mix macadamproviding, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the material with water at omc in mechanical mixer ( pug mill ) , carriage of mixed material by tipper to site, laying in uniform layers in sub-base / base course on a well prepared sub-base and compacting with smooth wheel roller of 80 to 100kn weight to achieve the desired density including lighting, barricading and maintenance of diversion, etc as per tables 400.11 & 400.12 and technical specification clause 406.by mechanical means with 1 km lead 8 75.5.1.1pb:prime coat - low porosity - with packed bitumen ratesproviding and applying primer coat with bitumen emulsion ( ss-1 ) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.70-1.0 kg / sqm using mechanical means as per technical specification clause 502 9 75.5.2.1pb:tack coat - with packed bitumen ratesproviding and applying tack coat with bitumen emulsion ( rs-1 ) using emulsion distributor at the rate of 0.20 to 0.25 kg per sqm on the prepared bituminous surface cleaned with hydraulic broom as per technical specification clause 503. 10 75.5.2.3pb:tack coat - with packed bitumen ratesproviding and applying tack coat with bitumen emulsion ( rs-1 ) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared granular surfaces treated with primer & cleaned with hydraulic broom as per technical specification clause 503. 11 75.5.11.1.a.2pb:mix seal surfacing - manual means - type a - bitumen s-65 - packed bitumen ratesproviding, laying and rolling of close-graded premix surfacing material of 20 mm thickness composed of 11.2 mm to 0.9 mm ( type-a ) or 13.2 mm to 0.9 mm ( type-b ) aggregates using penetration grade bitumen to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a three wheel 8-10 kn static roller and finishing to required level and grades as per technical specification clause 509by manual meanstype a ( ii ) bitumen ( s-65 ) 12 3.5.3:excavation in soil using hydraulic excavator and tippers with disposal upto 1000 m
excavation for roadwork in soil with hydraulic excavator of 0.9 cum bucket capacity including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross-sections, and transporting to the embankment location with a lift upto 1.5 m and lead upto 1000 m as per technical specification clause 302.3 13 od138835 / 2023-2024:providing concrete for plain / reinforced concrete in open foundations complete as per drawings and technical specifications clause 802, 803, 1202 & 1203 i. p.c.c grade m 10 ( i ) nominal mix 1:3:6 graded stone aggregate 40 mm nominal size without form work_3 14 11.4.2.1:providing concrete for plain / reinforced concrete in open foundations complete as per drawings and technical specifications clause 802, 803, 1202 & 1203
ii. p.c.c grade m 15
( i ) nominal mix ( 1:2.5:5 ) 15 11.4.4:providing concrete for plain / reinforced concrete in open foundations complete as per drawings and technical specifications clause 802, 803, 1202 & 1203
iv. r.c.c grade m 20 16 11.8:supplying, fitting and placingtmt bar reinforcement in foundation complete as per drawings and technical specifications clauses 1000 and 1202 17 11.4.3.1:providing concrete for plain / reinforced concrete in open foundations complete as per drawings and technical specifications clause 802, 803, 1202 & 1203
iii. p.c.c. grade m 20 ( i ) nominal mix ( 1:2:4 )