type as to insure the widen nes of the correct proportions
of the ingredients. The mixing shall continue for at least
one minuhe. et per all the ingredients are in ia mixer

oa. : When - “coloring pipet s® ‘are added to the *
mix the time of mixing shall be increased to at least two (2)
minutes after all the ingredients are in. the mixer.

oADen sRbpcing

3 a. Concrete ‘shall be deine Vibert (3) inches
wae on which the reinforcing shall’ be laid and the placing
of the concrete immediately PORE AaaeE oe the. “aoe grade.

bey bs on Od. ee concreting is once ei eieds i% shai
Book carried. on as..a ‘continuous operation: until the Peprene,

canoe one. block is completed.

c. Where moré than one court is se the
concrete shall be placed in alternate blocks.

20. Finishing _

-. ae After the wearing surface has been brought
to sue established grade by means of a strikeboard, it shall
be. worked with A, wood float in a manner which will compact
it and produce a surface free from depressions or inequali-
ties of any kind. After the concrete has hardened - suffi-_—
ciently to prevent fine material from working to the top
(when the sheen or shiny film of water on the surface has .
disappeared) it shall be steel troweled but excessive working
shall be avoided.

b. After the surface has been troweled and
before the concrete -has thoroughly hardened, it shall be
lightly brushed .in one direction with a PrnS hair broom.

PROTECTION
21. Protection from Weather —

a. The concrete surface must wot x dames
or. pos fled by rain: drops and therefore the contractor shall
provide and use when necessary, sufficient tarpaulins or.

other material to completely cover all sections that have
been placed.within the preceding’ twelve (12). hours.

ee. “Cutie
@. AS soOnh as each finished court section has

hardened sufficiently to prevent damage thereby, the concrete

eke At “hat, on ed 8 Saeed AeshA
«3 ee eRe ste DS tate: apd
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