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HomeMy WebLinkAboutRevised plan 2022-02-24N LOT 28 / N i '` GJERGROP gyp, \ / � F�NcEa �x WELL HOUSE � moo Q LOT 30 / LOT 29 pQ • S S pF.p� / �� / / / AJX�ll f i Q Q REPLACE DECK W PATIO / ADD SURFACE AS SHOWN REMOVE EX. DECK RESTORE W/ NATIVE GRASS IV- 41 Co � 100' FROM J / / 4;r 41 / ) lio'oNF No 9ro/41 �4 PA 16x0 TOP LANDING SCRUB GROWTH EL.=16 // / / / / / / ��O 2" x 4" LEDGERS _ �_ ` 3 14 10—--_12—--__i / // A\ a------- —__ MfD—Lj&NSI�G� - - - EXISTING 5-5' �P�� 0�k 6 STAIRS EL.-1 �o�c,• � �� � ,`� BOULDERS CONSTRUCTION NOTES 1. ELEVATIONS REFER TO NAVD88. 2. ALL WORK SHALL BE UNDERTAKEN IN ACCORDANCE WITH ANY ORDER OF CONDITIONS ISSUED BY THE YARMOUTH CONSERVATION COMMISSION 3. THE EXISTING STAIRS SHALL BE FULLY REMOVED AND REPLACED AS INDICATED. BEACH ACCESS STAIRS 4. THE PROPOSED STAIRWAY FRAME SHALL BE CONSTRUCTED OF STANDARD DIMENSIONED CONSTRUCTION LUMBER AS INDICATED ON THE TYPICAL DETAIL. THE FRAME TIMBER STOCK SHALL MEET THE YARMOUTH CONSERVATION COMMISSION REQUIREMENTS FOR PRESERVATIVE TREATMENT: ALL MEMBERS IN GROUND CONTACT SHALL BE RATED FOR IN -GROUND USE. 5. HARDWARE: PREFERRED HARDWARE, STRAPS AND JOIST HANGERS FOR COASTAL EXPOSURE & ACQ APPLICATION IS STAINLESS STEEL. HARDWARE IS RECOMMENDED TO MEET THE AWPA EXPOSURE SPECIFICATION AC257 FOR ANTI -CORROSION PROTECTION. BOLTS SHALL BE HOT -DIP GALVANIZED STEEL. ALL BOLTS SHALL BE THRU-BOLTS WITH NUTS AND WASHERS. USE OF LAG BOLTS OR "TIMBERLOCK" SCREWS SHALL BE USED WHERE THRU-BOLT LIMITATIONS APPLY AND ONLY UPON OWNERS' ENGINEER APPROVAL. ROUTINE INSPECTION OF THE STRUCTURE AND FASTENER CORROSION CONDITION IS RECOMMENEDED DUE TO WOOD PRESERVATIVE EFFECTS AND COASTAL EXPOSURE. 6. FOR LOWER POST FOOTING, A 6"X 6" POST BENT SHALL BE ESTABLISHED INTO THE ROCKY SUBSTRATE TO A FIXITY DEPTH OF 5 FT.; LIMITED SHIFTING OF CONFLICTING STONES IS REQUIRED. 7. HANDRAIL MAY BE OF A SOFTER WOOD OR COMPOSITE VARIETY SUBJECT TO OWNER'S APPROVAL. 8. SUBSTUTUTION OF COMPOSITE MATERIALS FOR ANY TIMBER COMPONENTS IS SUBJECT TO APPROVAL BY THE OWNER AND ENGINEER. 9. MATERIAL DELIVERY, REFUSE AND DEBRIS COLLECTION, STORAGE AND PICKUP SHALL FROM THE OPEN LAWN AREA AND IMMEDIATE AREA OF THE UPPER BANK AT THE EXISTING STAIR LOCATION. 10. OWING TO MINOR TOPOGRAPHIC VARIATIONS, THE PROPOSED STAIRWAY LAYOUT MAY BE SUBJECT TO MINOR ADJUSTMENT. THE STAIRWAY STRINGERS SHALL BE BEST FITTED TO THE SLOPE ONCE THE POSTS ARE SET IN GENERAL CONFORMANCE WITH THE PLAN HOLDING TO THE RATIO OF A 7 IN. RISER HEIGHT AND A 11 INCH TREAD WIDTH. FINAL TREAD AND RISER COUNT CAN BE DETERMINED ONCE THE STRINGER IS SET. 11. EACH DAY THE SITE SHALL BE CLEANED OF DEBRIS SUCH AS DISCARDED WOOD MATERIAL. THE OLD STAIR COMPONENTS AND NEW MATERIAL CUT-OFFS SHALL BE DISPOSED OFF SITE. 12. POST SUPPORT INSTALLATION SHALL BE ACCOMPLISHED BY SUITABLE POST HOLE CORER, COMPACTED IN PLACE, OF A MINIMUM OF 4 FT. MIN. EMBEDMENT AS MEASURED FROM ANY POINT ON THE SLOPE. POST BACKFILL SHALL BE HAND TOOL COMPACTED IN 4 INCH LIFTS SUBJECT TO INSPECTION FOR PROPER FIXITY. CROSS BRACE AS REQUIRED. EXCESS SOIL SHALL BE REMOVED OR DISTRIBUTED INTO THE SURFACE VEGETATION. CYLINDRICAL CONCRETE POST FOOTINGS ARE NOT ADVISED. CONSULT ENGINEER FOR ANY ALTERNATE POST SUPPORT. 13. ANY AREA DISTURBED BY CONSTRUCTION FOOT TRAFFIC OR OTHERWISE OBSERVED AS DISTRESSED SHALL BE PLANTED WITH AM. BEACH GRASS AT 12 IN. SPACING UPON COMPLETION OF THE STAIR WORK WEATHER PERMITTING. 14. INSTALL A 2" X 6" PLANK AS A "BACKSTOP" AT GRADE SPIKED TO THE UPHILL SIDE OF THE POSTED BENTS AT INTERVALS TO SLOW INCIDENTAL RUNOFF BENEATH THE STAIRS. DECK AND PATIO WORK 15. WORK WITHIN THE BUFFER ZONE ON THE BUILDING DECKS AND PATIOS SHALL BE LIMITED IN SCOPE BY A WORK LIMIT ESTABLISHED PRIOR TO THE START OF THE WORK ACTIVITY. 16. THE LIMIT OF WORK SHALL BE DETERMINED IN GENERAL AS A NECESSARY WORK AREA OUTWARD FROM THE DECK AREA AND IF REQUIRED BY THE CONSERVATION AUTHORITY, THE LIMIT OF NECESSARY WORK ACTIVITY SHALL BE STAKED AS A VISUAL LIMIT. 17. LAND AREA DISTURBED BY THE WORK ACTVITY SHALL BE CLEANED, RAKED OUT AND RE -SEEDED WITH FESCUE, THE PREDOMINANT GRASS COVER EXISTING ON THE SITE. 42-11 CLEAR i ■ w CUT CENTER STRINGER TO FIT O• �h QA�, 2" x 12" STRINGER 5/8"0 BOLTS / WASHERS PER RAIL POSTS & O O SUPPORT POSTS 4" x 6" POSTS (MIN.) (2) 2" x 12" NOMINAL STRINGER UN -CUT O O CENTER STRINGER TO BE CUT 4" x 6" POSTS FOR STAIRS 6" x 6" FOR 2" x 4" CLEATS PLATFORM & 1/2" BOLTS W/ BOTTOM BENT 1" WASHERS u-OF MANY 5' MIN. T ENT I I I i CONCRETE WALLS STAIR FRAME END VIEW APPROX. MFiW (NO SCALE) f 20 8 RISERS © 7" t J,� LANDING 7 TREADS ® 11"f \ o EL.=16 MID LANDING �0 9� �o 15 4' x 5.5' EL.=11.3 \ 2 \ � 12 RISERS ®7"f \ 10 ' 11 TREADS @ 11"f Lq \ w Y I O J N m w 5 = BEACH PLAN\ 0 10 20 30 40 50 20 10 0 20 60 PROFILE A -A its =10' 4-LOT 30 STAIR STRINGER DETAIL (NO SCALE) STAIR: 8 RISERS ® 7" o 7 TREADS ® 11" z TOP OF C. BANK 4'x6' LANDING W/ SEAT LOT 28 TREAD 7 (TIP.) __— 1" NOSING s LOT 29 �s�s F w 0 z 0 KEY MAP \ 1" = 60' \ STAIR TREAD 2" x 12" O STOCK O TREAD SUPPORT PLAN 1" = 10' 6"x6" POSTS 5" EMBEDMENT STAIR: 12 RISERS ® 7" 11 TREADS ® 11" Ix5.5'DECK W/ EAT 'x6" POSTS - STAIRS -OP LANDING EL. = 16 OF ROBERT M. ERRY tiT � 4' 5.5' PLATFORM FRAME DETAIL (NO SCALE) 6" x 6" POSTS W/ 2" x 8" SPLIT CAP GIRDER W/ (2) 5/8 0 BOLTS W/ 1 1 /4" 0 WASHERS EACH POST 1 inch = 20 ft. PATTY.DWG