Changes

For each down drop (7 total):

For each down drop (7 total):

*8x8x6 45 DWV PVC wye $83 each http://www.nibco.com/Fittings/Plastic-Fittings/PVC-DWV-Fittings/4810-45-Wye-H-x-H-x-H-PVC-DWV/

*8x8x6 45 DWV PVC wye $44.76 https://www.plumbersstock.com/product/10258/8inx8inx6in-pvc-sdr35-wye/  (verify this supplier before relying on it.) alternative: $83 each http://www.nibco.com/Fittings/Plastic-Fittings/PVC-DWV-Fittings/4810-45-Wye-H-x-H-x-H-PVC-DWV/

*6" 45 DWV PVC elbow $8 each http://www.lowes.com/pd_1824-676-6P03_4294765362__?productId=3452924&Ns=p_product_qty_sales_dollar|1&pl=1&currentURL=%3FNs%3Dp_product_qty_sales_dollar%7C1&facetInfo=

*6" 45 DWV PVC elbow $8 each http://www.lowes.com/pd_1824-676-6P03_4294765362__?productId=3452924&Ns=p_product_qty_sales_dollar|1&pl=1&currentURL=%3FNs%3Dp_product_qty_sales_dollar%7C1&facetInfo=