Page 63 - McD_ROTF DRAINAGE & PIPED SERVICES_Neat

Drainage & Piped Services Standard Specification
Version 2014-1

Manufacturer: Submit proposals.

Standard: To BS 4211.

Material: Aluminium, mill finish.
Aluminium, coated.
powder
Integral accessories: Submit proposals. bolts;
and filling;
Access chamber steps type C for filling;
Manufacturer: Submit proposals.
Standard: To BS EN 13101. for
Form: Submit proposals.
Material: Galvanized steel.
Integral accessories: Submit proposals.

Access covers and frames type C

Manufacturer: Submit proposals.

Standard: To BS EN 124.

Form: Double seals grease, lock

Non-rocking; covers
covers
Recessed concrete
pavior
Recessed

and Single seal.

Materials: Ductile cast iron and Grey cast iron.

Finish: Black bitumen painted.

Sizes: Submit proposals.

Loading grades: Submit proposals.

Edging trims: Not required.

Integral accessories: Submit proposals.

Execution

Formation for beddings in below ground drainage monitoring and control systems type A
Timing: Excavate to formation immediately before laying bases or beddings.
Mud, rock projections, boulders and hard spots: Remove. Replace with consolidated bedding material.
Local soft spots: Harden by tamping in bedding material.
Inspection of excavated formations: Give notice.

Formation for beddings in below ground drainage monitoring and control systems type B
Timing: Excavate to formation immediately before laying bases or beddings.
Mud, rock projections, boulders and hard spots: Remove. Replace with consolidated bedding material.
Local soft spots: Harden by tamping in bedding material.
Inspection of excavated formations: Give notice.

Fixing steps in below ground drainage monitoring and control systems type A

Fixing: Bed in joints.

3 / 31

McDonalds Restaurants Ltd