Municipal Affairs Department Tender

For Construction of Sub Base by compacting river bed materials

Water Bound Macadam Base Course, Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness,hand packing, rolling with vibratory roller 8-10 tonnesin stages to proper grade and camber, applying and brooming requisite type of screening / binding materials to fill up the interstices of coarse aggregate,watering including lighting, guarding, barricading and making necessary earthen bundh of one metre width on each side and preparing the bed by necessary cutting orfilling, including cost of all materials and hire and labour charges of all men and machinery and compacting to the required density, as per Clause 404of Specifications for Road & Bridge Works of MoRT&H(5th Revision).

Grading-I Aggregate (63 mm to 45 mm) Using Stone Screening Type B (11.2 mm)

Manual Means

Water Bound Macadam Base Course, Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness,hand packing, rolling with vibratory roller 8-10 tonnesin stages to proper grade and camber, applying and brooming requisite type of screening / binding materials to fill up the interstices of coarse aggregate,watering including lighting, guarding, barricading and making necessary earthen bundh of one metre width on each side and preparing the bed by necessary cutting orfilling, including cost of all materials and hire and labour charges of all men and machinery and compacting to the required density, as per Clause 404of Specifications for Road & Bridge Works of MoRT&H(5th Revision).

Grading-II Aggregate (53 mm to 22.4 mm) Using Stone Screening Type B (11.2 mm)

Manual Means

Tack Coat Providing and applying tack coat with Cationic Bitumen Emulsion of approved grade conforming to IS:8887-1978 on the prepared surface cleaned with Hydraulic broom, moistening the surface including cost and carriage of emulsion, hire charges of machinery and labour, cost of fuel and lubricants all complete asper Clause 503 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

On Granular surfaces treated with primer (Using Bitumen emulsion at the rate of 0.25 to0.30 kg per sqm.)

Tack Coat Providing and applying tack coat with Cationic Bitumen Emulsion of approved grade conforming to IS:8887-1978 on the prepared surface cleaned with Hydraulic broom, moistening the surface including cost and carriage of emulsion, hire charges of machinery and labour, cost of fuel and lubricants all complete asper Clause 503 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

On Bituminous Surface (Using Bitumen Emulsion at the rate of 0.20 to0.30 kg per sqm.)

Repairing pot-holes and making up small depressions with ramming or power rolling including screening, cleaning chips or metals and washing, dryingas necessary and heating the chips or metal where necessary, cutting pot holes to regular shapes with vertical edges, cleaning the disintegrated materials,heating matrix and applying tack coat (including sides),finishing the top of repaired surface levelled with adjoining area, including cost and carriage of stone aggregates and matrix, excluding cost of applying tackcoat. [Tack coat is to be considered separately]

With premixed Chips or Bajrees with 54 kg of bitumen per m3 of loose net volume of stone chips using concrete mixer machine. (The payment is to be made on the basis of loose net volume of stone materials consumed in the work)

Using Mobile HMP (Light duty)

Bituminous Macadam using Hot Mix Plant (HMP) Providing and laying bituminous macadam with Hot Mix Plant using approved crushed aggregates of specified grading as per Table 500.7 premixed with bituminous binder, transported to site laid over apreviously prepared surface at specified laying temperature with paver finisher to the required grade,level and alignment and rolled with suitable power roller for break down, inter-mediate and finished rolling as per specification to achieve the desired -compaction including cost and carriage of stone materials and bitumen, hire charges of machinery and equipment, cost of fuel and lubricants and wages of operational staff, quality control complete as per Clause 504 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

For Grading II(19 mm nominal size, 50-75 mm thick.)

Using Batch type HMP of minimum capacity 60-90 TPH

Mastic Asphalt Providing and laying Mastic asphalt wearing course with paving grade bitumen meeting the requirements given in table 500-29 using approved coarse aggregate,fine aggregate, filler material and bitumen, prepared by using Mastic cooker including cost and carriage ofall ingredients, cost of heating aggregates and binder,mixing in specified proportions conforming to approved Job Mix Formula and laid to required level and slopeafter cleaning the surface, compacting, sealing the construction joints and surface finishing conforming to specifications including providing antiskid surface with bitumen pre-coated fine-grained hard stone chipping of13.2 mm nominal size at the rate of 0.005 cum per 10sqm and at an approximate spacing of 10 cm center tocenter in both directions, pressed into surface when the temperature of surfaces not less than 100°C, protruding1 mm to 4 mm over mastic surface, including the hire charges of all tools and plants and machinery, pay of operators, cost of

25 mm thickness

18% GST

1% LW Cess