Install the following:
Number
1 Plenum fan
inlet and extract apparatus with scrubbers, pumps, motors, etc., sheet metal trunking, wall fans, etc.
Add for providing
any water etc., necessary for testing purposes.
BUILDERS WORK IN CONNECTION.
The following to be executed in accordance
with the instructions of the Engineers:-
CONCRETOR.
Yards
11 Cement concrete 1-2-4 bed 5" thick
under motors floated smooth in cement
104' 0" Run. Fair cement face to edge and arris and angles.
14 Precast cement concrete 1-2-4 roof slab
3" thick reinforced with and include approved stout reinforcing lathing and hoist and
fix on roof over Second Floor.
THE FOLLOWING TO BE IN CEMENT CONCRETE COMPOSED OF
one part cement, with 3% of Toxement or
other approved waterproofer,
mixed in accordance with maker's instructions, two parts sand and three
parts ¾" washed granite chippings:-
Yards
98
Cement concrete 1-2-3 floor of duct 6" thick with smooth floated finish.
3 Ditto 1-2-3 ditto
6" thick laid to falls with ditto.
57 Ditto 1-2-3 ditto sloped from 1" at both sides to 9"
thick at centre and laid on concrete bed
(elsewhere measured) with smooth floated finish.
THE FOLLOWING TO BE IN CEMENT CONCRETE composed of
one part cement, two
parts sand and three parts ¾" washed granite chippings:-
Yards
51 Precast cement concrete 1-2-3
cover to duct 3" thick reinforced with and include approved stout
reinforcing lathing and bed and joint in cement.
5 Ditto 1-2-3 ditto 3" thick circular on
plan to quick sweep ditto and ditto.
No. 7. Rebated perforation 18" x 12"
No. 2. Ditto 18" x 18"
61 Precast cement concrete 1-2-3 cover to duct 6" thick reinforced
with and include approved stout
reinforcing lathing
and bed and joint in cement.
No. 4. Rebated
perforation 24" x 24".
58 Ditto 1-2-3 ditto 3" thick at sides for 3" wide where resting on walls and
with soffits sloped from
both sides
to 9" thick at centre.
No. 4.
Rebated perforation 24" x 24".
BRICKLAYER.
Yards
113 Brick on edge 3" walling in cement mortar to
carry duct cover below Basement, done after
main walling is built.
SMITH AND FOUNDER.
UNLOAD, STORE, PROTECT, HOIST AND FIX ONLY to
wood grounds (elsewhere measured)
the
following and return empties:-
Number
4 Bronze grating 4' 0" x 1' 3"