Standard Construction Specifications Part 2 Abu Dhabi

| | Source | Acceptance Criteria | |------------------|------------|--------------------------| | Selected fill | Borrow pit (approved quarry, e.g., Al Ain or Sweihan) | Max particle size 75 mm, ≤ 5% fines passing #200, sulfate content ≤ 0.5% by weight | | Granular sub-base | Same | CBR ≥ 30, sand equivalent ≥ 35, liquid limit ≤ 25, plasticity index ≤ 6 | | Structural fill | On-site or imported | No organic matter, no gypsum bands, chloride ≤ 0.3% (for reinforced zone) | | Fill behind retaining walls | Free-draining granular material | ≤ 12% passing #200 sieve |

Foundations require heavy-duty bituminous membranes or polyurea coatings to repel brackish groundwater.

Includes standards for polyethylene and steel distribution pipelines. standard construction specifications part 2 abu dhabi

Part 2 outlines permissible drawdown methods for deep basements, ensuring neighboring structures are protected from settlement. It defines the testing frequencies for discharged groundwater.

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Chillers, Air Handling Units (AHUs), and ductwork specifications optimized for high ambient temperatures ( 46∘C46 raised to the composed with power C 50∘C50 raised to the composed with power C ambient design limits).

. This document provides the standard specifications for the construction of bridges, tunnels, underpasses, and other major road-related structures within the Emirate. TAMM - Abu Dhabi Government Services Primary Objective Air Handling Units (AHUs)

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