Bids are hereby invited for the following: Maintenance and refurbishment of pathway to various offices. Scope of Work: The following will be required: Supply of materials: - Paving bricks; - River sand; - Cement; - Concrete; Site preparation including: - Removing all weeds and roots; - Excavations - Excavate, prepare in situ materials for 1.2m wide paved walkway; - Spraying appropriate weed killer; - Leveling of area for proper drainage; - Compacting area - in-situ material to 75% MOD AASHTO density. 1% fall into slope; Installation: - Sub-base -150mm G5 sub-base with material from commercial sources compacted to 97% Mod AASHTO density; - Laying course; - Block laying - Interlock pavers 70mm class 25MPA, on 20mm bedding (crusher dust) as per detail; - Edge courses - Install Precast concrete edging (E1-type) on both sides of walkway on concrete bedding; - Alignment and Compliance; - Cutting-In - Cut paving to fit edge restraints; - Finishing touches - Cover all open lines and holes with crusher dust and Roll to locked-up condition; - Jointing and Compaction - Clean and compact to 95% MOD AASHTO density the adjoining in situ material, at least 0.5m on both sides of the paved walkway; - Site de-establishment; - Removal of excess material; - Clearing of site - The rubble must be disposed at the approved dumpsite. (投標 №98340834cn)