Section 834
8-21 Payment at the contract unit prices for the various items covered by those sections of the
Specifications directly applicable to the work being constructed will be full compensat ion for all work covered by this section. SECTION 834 BLOCK MASONRY CONSTRUCTION
834-1 Description
This work consists of constructing concrete block masonry. The requirements of Sections 840, 858 and 859 will prevail over any conflicting requirements of this section.
834-2 Concrete Construction
Construct concrete footings and all other concrete elements of the s tructure in accordance with Section 825.
834-3 Mortar
Machine mix mortar in accordance with Article 1040 -9 for at least 90 seconds. Remove and dispose of any mortar that has developed initial set or has lost plasticity.
834-4 Laying Concrete Block
Build block masonry plumb and true to the required dimensions. Stagger vertical joints. Set the block with the cells vertical. Spread mortar on the bearing members and fill the vertical joints with mortar. Dampen block when necessary to reduce the rate of absorption. Make joints straight, level, plumb, and neat at intersection. Make mortar joint thickness at least 3/8 inch and no more than 5/8 inch. Finish joints that will remain exposed after backfill, with a concave jointer. Flush cut all other joints. Clean exposed exterior surfaces of spilled mortar that are not backfilled.
834-5 Protection From Cold Weather
Refer to Article 830 -5.
834-6 Measurement and Payment
There will be no direct payment for the work covered by this section. Payment at the contract prices for the various items covered by those sections of the Standard Specifications directly applicable to the work being constructed will be full compensation for all work covered by this section.
836-1 Description
Construct a sluice gate on an endwall in accordance with the details in the contract and the manufacturer's recommendations . Sluice gate includes other types of gates such as shear gates, ball valves, butterfly valves or other alternatives approved by the Engineer .
836-2 Materials
Sluice gates shall meet the manufacturer's recommendations for the corresponding pipe size. Due to variations in individual manufacturer's products, a slight variation from the size specified may be allowed. Submit the proposed catalog cut to the Engineer for approval prior to use.
836-3 Construction Methods
Provide a gate that fo rms a watertight seal when closed.