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Step 10. POURING CONCRETE A standard cantilevered deck, as shown in Figure 9, requires that forms be placed on the inside perimeter of the pool. These forms are at- tached to the pool beam using double -sided tape. The forms are then held in place using supplied wire ties and screws. Cantilever forms are typically installed on the same day of the concrete pour. The backfill should be removed from the top 8 inches around the pool perimeter to a width of approximately 10 inches. In areas of sandy soil conditions, the material is typically removed just prior to pouring the deck. Care should be taken that the concrete is worked into the area under the beam of the shell so that air voids are minimized. If desired, 3/4" holes may be drilled every 36" to aid bleeding air. Rebar or wire mesh should be used in the concrete deck. For decks using pavers, as shown in Figure 10, the concrete deck should be poured up to approximately 1/4" of the top of the pool beam. Deck should fall 1/4" per 12 inches of horizontal deck to allow any surface water to be drained away from the pool. Half inch holes may be drilled into the outside edge of the pool beam of the pool every 3: Two foot lengths of 3/8" pre bent rebar are placed in each hole (see Figures 9 and 10). This will ensure a bonding or anchoring effect on the sides of the pool. The walkway may also be reinforced with 6" No. 10 wire mesh or No. 3 rebar on 2' centers (see Figures 9 and 10). It is advisable to use a lifting chair/shoe/dobie to elevate the wire mesh and/or rebar to ensure this reinforcement is centered in the depth of the pour. Concrete should be poured at least 3' around the perimeter of the pool to divert the water away from the excavation cavity. The typical thickness of a concrete deck around the pool is 4 inches. Latham will not be held responsible for any concrete work, cracking, or any other failure in deck installation. Inall climates 6"-8"of 1/2 clean gravel is recommended under the concrete deck Figure 11 - Figure 9 - ANGLE OF REPOSE Cantilever Concrete Deck (Typical) (NO INCREASED PRESSURE ON POOL WALLS FROM ADJACENT STRUCTURE) 6"X6" - W 1.4 X W 1.4 WIRE MESH OR MIN 1' REBAR NO. 3, ON 2' O.C. GREATER THAN 3' MIN. —) EACH WAY. DEPTH OF POOL //'FOR CLAY (ADOBE) SOIL ONLY. SLOPED 1/4"=1' (T i.- f.. ADJACENT I_ 6" STRUCTURE 10" 12" _ _ _ � 1 FOR CLAY I _ (ADOBE) 1 1 SOIL ONLY. I- 3" THICK COMPACTED 45° ` 1 SAND OR 1/2" CLEAN GRAVEL (TYPICAL) 4" MIN. THICK COMPACTED DEPTH POOL GRAVEL FOR CLAY OF E (ADOBE) SOIL ONLY. POOL I I % INCH CRUSHED, WASHED CLEAN ANGULAR STONE OR SAND FREE OF FOREIGN MATERIAL FIBERGLASS 6" POOL SHELL I 1Q"-- ---..! ANGLE OF REPOSE BRICK OR NATURAL 1.4 X W1.4 (NO INCREASED PRESSU STONE DECK' - FROM CENT $fiR SH OR TRLL� i O. 3, ON 2' O.C. � EACH WAY. SLOPED 1/4"-1' 9" FOR CLAY (ADOBE) l SOIL ONLY. 12" 10" Figure 10 - .I I_i I I -I I — - Concrete Deck with Brick or Stone 11 III=1 1 FOR CLAY t (ADOBE) i - SOIL ONLY. 3" THICK COMPACTED Deck size guide and additional deck j SAND OR 1/2" CLEAN GRAVEL (TYPICAL) 4" MIN. THICK COMPACTED Installation details available on request. GRAVEL FOR CLAY i (ADOBE) SOIL ONLY. INCH CRUSHED, WASHED CLEAN ANGULAR STONE OR SAND FREE OF FOREIGN MATERIAL 6" FIBERGLASS 10" POOL SHELL To be in compliance with Latham's installation practices and procedures, all Latham fiberglass pool shells must be installed using the materials noted in the Latham Installation Guides. Pools that are not installed using these materials are not in compliance and therefore any damage that occurs due to the use of improper materials is not covered by the Latham Limited Lifetime Warranty. The most recent Latham Installation Guide supersedes any and all previous Latham Installation Guides, conversations, emails, etc. If a situation presents itself on a jobsite that is outside of the scope of the methods, practices, pro- cedures and materials specified in the Latham Installation Guide and requires the consultation and/or design of an independent expert (geotechnical engi- neer, structural engineer, etc.), the Builder and the independent expert assume all liability and responsibility for the structural integrity of the pool shell. L"]