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r a ' � I Ital N al FI a IF a f F su <br /> I It x � a <br /> tie3 <br /> Construct a 6" thick 4,000 psi, reinforced concrete curb along both sides of the ATS harvestItts <br /> "'I <br /> t IF <br /> , F . t at <br /> IF <br /> access driveway extension, tying the curb into the existing driveway with epoxyed reinforcing k , . ¢y, <br /> IV <br /> steel . (A curbing extension along both sides of a portion of the newly constructed ATS harvest I `5 £ <br /> "FFI1a1 <br /> ;;Y <br /> aIb <br /> rr <br /> CO1-4a RIaI <br /> . <br /> access driveway is required to transition from the new concrete perimeter curb to the access' F. rya <br /> 3 , <br /> driveway sides. The curbing will prevent soil from eroding from the perimeter berm onto the Fal. I ,, _ k <br /> IF <br /> n� <br /> Ft Far,- ajtIft" <br /> IF <br /> floway surface, and it will increase harvesting efficiency by preventing harvested algae from Flat FIFFFF � <br /> � w I. , ft ' <br /> being washed off of the floway and onto the perimeter berm. ) 1 .FIFIFIA, 3 6. q 7 - _ � � <br /> jaij � _ _ <br /> ' It a <br /> , Y Far I' Pyr"_It <br /> A " s <br /> X Matt 11 <br /> ` It <br /> s A 5 �:. <br /> 11 1 11 II II 1 <br /> at, <br /> f .fir fjr' " r I.y .'3, s `: r t <br /> Construct an 11 tall x 3 wide x 6 thick concrete L curb/retaining wall, 11 m length t > '� $ <br /> a <br /> containing one #5 bar at the outermost east and west ends of the ATS harvest flumes . (This � - <br /> 001-4b enhancement is required to tie the termination of the new floway concrete perimeter curb with `- <br /> at F . IV at <br /> 1 <br /> existing high density polyethylene ( HDPE ) liner material on the east and west harvest flume I % g k � <br /> '.. s �' ; Pi �.y,. . <br /> ends . Without this curb/retaining wall, soil will erode into the harvest flume from thetr <br /> k s <br /> perimeter berm and have a detrimental impact on facility operations . ) = FIFO, ' r -� <br />, <br /> . gFIT IF Far 0 <br /> ty <br /> � . : <br /> rat <br /> IF, IF <br /> at <br /> IF <br /> Repair two leaking ATS feed water manifold pipes by excavating the pipes, encasing the leaking � , <br /> a. c ''! - it: ' .., - <br /> at I <br /> „y e <br /> joints with concrete, backfilling, and compacting . ( HDPE welds on two of the ATS feed water ���� f r <br /> CO1-4c w� IF L%t <br /> j manifold pipes have failed, causing significant underground leakage and loss of soil around the I k { ` <br /> IF <br /> a. � ; � y <br /> pipes. Because these pipes supply water to the ATS floway, it is critical that they are repaired Ec IS <br /> t f <br /> RL <br /> I . <br /> IF <br /> z III �V <br /> I <br /> before the facility is returned to service . ) t IF . � . sWFt, 1. , atto; FIFat <br /> � It <br /> a I, EI It <br /> ? 1 � Ep <br /> ttr t jr OF <br /> g # sLF <br /> Construct a 40' x 6' x 8 thick, 4,000 psi reinforced concrete apron along a portion of the west r # 4 n b <br /> > <br /> O P g g 1t # re at It <br /> at <br /> A It <br /> s ,' com.$ ,i „�x'I #�Ixf6 <br /> .p �, . <br /> side of the algae composting area . Reinforcing shall be #6 bars at 12 centers each direction . hpkr <br /> CO1-4d 3 : a .. <br /> (This reinforced concrete apron will connect the asphalt compost pad with the mulch and arQI m <br /> .. s <br /> finished compost storage areas . The asphalt compost ad edges are cracking and breaking off �� a : � � <br /> P g p P P g g g P <br /> due to heavy equipment regularly traveling between the compost pad and the storage areas . <br /> E <br /> The concrete apron will prevent further cracking and significantly extend the life of the asphalt. ) °, � � r <br /> �' ., <br />