|Name of Contract||Contract Number|
|URGENT REHABILITATION OF UNSEALED ROAD, HENDERSON ACK PERIMETER ROAD||TI HON 06/22 CTB C 58/22|
To All Eligible Contractors:
The proposed contract intended for URGENT REHABILITATION OF UNSEALED ROAD, HENDERSON BACK PERIMETER ROAD
The guidelines herein provided for the information of the Contractor to assist in submission of Tender Rates and Prices for the Bill of Quantities. This guide will also set the standard general technical specification for actual Road Rehabilitative Maintenance Works. If, however, the Contractor intends to depart from the method set out in this guide, the Engineer responsible shall pre- approve the new proposed method.
The Work to be carried out under this contract comprises the “URGENT REHABILITATION OF UNSEALED ROAD: Henderson Airport Back Perimeter Road (3.750 km)” [hereinafter HIA-BR] on the eastern fringe of Honiara City on Guadalcanal Island in the Solomon Islands [Refer to LOCATION MAP]
1.2 DESCRIPTION OF WORKS
The work shall be carried out for a period of sixteen (16) weeks [equivalence of 4 months], which includes a one-off rehabilitation work along the HIA-BR. A ‘Defects Liability Period’ of six (6) months shall commence after the works have been deemed ‘Practically Completed’ and certified to that effect.
Unsealed Road Rehabilitation Works
Strip & grade (heavy to medium) entire formation width to required camber and compact existing gravel road sub-base and/or sub-grade pavement layers, Excavate & remove all unsuitable base and/or sub-grade materials at areas identified as ‘SoftSpot, and thoroughly compact the base of the excavation to 95% of the Maximum Dry Density as determined by AS 12126.96.36.199 or a standard acceptable to the Engineer [LoL], Supply approved select fill materials complying with gradation approved standard or as approved by the Engineer, and compact in layers of not less than 50mm, nor greater than 100mm loose measurement.
Moisten the material as necessary to achieve optimum water content to allow maximum compaction of the road base, rectifying said ‘Soft-Spots’, Supply, spread and layered- compact approved granular base layer (200mm thick), Compact each layer to 98% of maximum Dry Density as determined by AS 12188.8.131.52 or as approved by the Engineer [LoL], Vegetation trimming, clear roadside & mitre-drains, and de-silt existing culvert-line (incl. cleaning of culvert inlets and outlets), Properly dispose all spoils from the works at designated disposal site (or as per Engineer’s approval);
The work shall further include all other works, which the Contractor is or may be obliged to undertake by the terms of the Contract, together with any work, which is necessary or incidental to the work and all associated coordination and supervision of such work.
The works shall comply with the Ministry of Infrastructure Development (MID) Specifications for Road Maintenance:
The specific works that identified by the employer during contract execution shall also to be carried out by the contractor. These specific works shall be instructed under Emergent works in general items. All litter, rubbish and waste material generated in carrying out the works must be properly disposed of:
Interested eligible tenderers may obtain further information from:
Ministry of Infrastructure Development
Central Project Implementation Unit,
Melanesian Haus Town ground
Mendana Avenue, Honiara,
Telephone No.: 21322 or 22262
Central Tender Board
Ministry of Finance and Treasury
Point Cruz, Mendana Avenue Honiara.