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HomeMy WebLinkAboutExcavation PlanFOR A ROCK REMOVAL OPERATION OFF CHERRY LANE, MONTVILLE, CONNECTICUT GENERAL PROCEDURES 1. Prior to the commencement of any construction on the site, the Contractor's representative shall meet with the Zoning Enforcement Officer of the Town of Montville and discuss and agree upon the method of installation of erosion and sediment control measures in conjunction with the development of the site. On or before the date of the meeting herein referenced, the Owner shall designate, in writing, a representative who shall be responsible for the implementation of the erosion and sediment control plan hereinafter set forth, and for the compliance of the construction herewith. Subsequent to the meeting described in Paragraph I of the General Procedures section hereof, the Contractor's engineer shall delineate in the field the area for installation of erosion and sediment control devices. 3. The Contractor shall install ail sediment and erosion control measures in accordance with a plan entitled 'Proposed Excavation Plan Prepared For Getty Granite Company Cherry Lane Montville, Connecticut Chandler, Palmer & King Architects, Engineers & Surveyors 110 Broadway Norwich, CT 06360 203-889- 3397 Fax 203-886-7801 Datei April 23, 1993 As Revised Scalei V = 40' Sheet 1 Of 2 And 2 Of 2' and further in accordance with the instructions of the Town of Montville Zoning Enforcement Officer rendered at the meeting delineated in Paragraph 1 of the General Procedures section of this Narrative. 4. All construction shall be conducted by the Contractor in accordance with the 'Excavation Plan' hereinbefore referenced in Paragraph 3 of the General Procedures section of this Narrative as 'the same may be modified from time to time during construction by the Town of Montville Zoning Enforcement Officer to address unanticipated erosion and sediment control problems encountered during construction. 5. Al'- erosion and sediment control measures shalt be inspected at least twice weekly and after every storm event and repaired and maintained as necessary, Construction shalt commence on or about June 15, 1993 and shat( continue uninterrupted for a period of approximately sixty (60) months) or, until such time as that amount of rock delineated in Cross -Section 'A', Cross -Section 'B' and Cross -Section 'C' as delineated on Sheet 2 of 2 of the above -referenced plan has been excavated and removed from the site. 7, During ccristruction, all silt fence and/or hay bales as delineated on the 'Excavation Plan' hereinbefore referenced in Paragraph 3 of the General Procedures section of this Narrative and as required by the Montville Zoning Enforcement Officer, shall be maintained in accordance with the united States Soil Conservation Service Erosion And Sediment Control Handbook. S. During the stabilization period, all erosion and sediment control measures shall b:e Maintained in proper working order. The Owner's representative delineated in the meeting described in Paragraph 1 of the General Procedures section of this Narrative shall be responsible for checking all erosion and sediment control measures on a twice -weekly basis during the stabilization period and after each storm event. During the stabilization period with respect to the site, any erosion which occurs within disturbed areas shall be immediately repaired, reseeded and restabilized, 9. Once stabilization has been completed and certification thereof obtained in writing from the Zoning Enforcement Officer of the Town of Montville, erosion and sediment control measures shalt be removed by the Contractor. 10. In the event that the erosion and sediment control measures required by this Narrative and/or the Town of Montville Zoning Enforcement Officer, are not installed in accordance with the plan referred to in Paragraph 3 of the General Procedures section of this Narrative Cor as required by said Zoning Enforcement Officer)i or, in the event that said erosion and sediment control measures are not maintained in accordance with the requirements of the United States Sol( Conservation Service Erosion And Sediment Control Handbook, then and in that event the Owner and the Contractor shalt be required to immediately cease and desist all further construction in accordance with this Narrative and the plan delineated in Paragraph 3 of the General Procedures section of this Narrative until such time as such erosion and sediment control measures are installed and/or properly Maintained and written certification thereof is obtained from the Zoning Enforcement Officer of the Town of Montville together with written authorization to resume work. 11, Unless designated otherwise in writing, Lawrence Getty of Route 85, Salem, Connecticut (859-2972), shalt. be the designated party responsible for the implementation of this soil, erosion and sediment plan, DEVELOPMENT The proposed excavation will allow for the removal of approximately 16,000 cubic yards of rock material. The property is composed mainly of six soil typesi Adrian and Palms 'Aa'j Canton Hollis 'CrC' and 'CrD'i Hottis-Charlton 'HrC' and 'HrD°; Paxton and Montauk 'PbB', The area or the proposed excavation is composed of Canton-Hotlis and Hollis - Chariton soils. 1. 'Aa' Nearly level, very poorly drained sous are in pockets and depressions or Stream Terraces, Outwash Plains, and Glacial Titt Uplands, 2, 'CrC' Fine sandy foams, very rocky, 3 to 15% slopes. This gently sloping complex consists of somewhat excessively drained and wet( drained soils on Glacial Till Uplands, Rock outcrops cover up to 10% of the surface. 3. 'CrD' Fine sandy looms, very rocky, 15 to 45% slopes. This moderately steep to steep complex consists of somewhat excessively drained and well drained soils on Glacial Tit( Uplands. Rock outcrops cover up to 10% of the surface, t i i, 'HrC' Rock outcrop complex, 3 to 15% slopes, This gently sloping to sloping i complex consists of somewhat excessively drained and welt drained sails and rock outcrop on Glacial Titt Uplands. Stones and Boulders cover 1 to 8% of the s:Arface. ;;• 'hrD' Rock outcrop complex, 15 to 45% slopes, This moderately steep to very 5,1—D f- :,mptex consists of somewhat excessively drained and well drained soils r= I +-c-)ck outcrop on Glacial TILL Uplands. Stone and Boulders cover 1 to 8% i.;F the surf ace, 6. 'PbB' Fine sandy (oams, 3 to 87. slopes. These gently sloping welt drained sails are on Drumloidal, Glacial Tilt and Uplands Landforms, The only materials which shall be excavated and removed from the site in accordance ,.Y, h the permit Issued by the Town of Montville Planning and Zoning Commission will bc. eci­, materials which shall be quarried in accordance with Cross -Section 'A', Cr . -<ection 'B' and Cross -Section 'C' as delineated on Sheet 2 of 2 of the 'Ex _ tion Plan', GER.71 -1 ED BY THE MONTV I LLE FLANN I NC ACNP Z' -ON I NC COMM 1551 ON signature date CONSTRUCTION SEQUENCING 11 Prior to the commencement of operations in accordance with any permit issued by the Town of Montville Planning and Zoning Commission, the Contractor shalt Install. all erosion and sediment control measures in accordance with the 'Excavation Plan'. 2. Prior to the commencement of operations, the Contractor shall obtain a site inspection from the Town of Montville Zoning Enforcement Officer to ensure that all erosion and sediment control measures have been installed in accordance with this Narrative and the 'Excavation Plan'. Upon certification with respect to the installation of erosion and sediment control measures, the Contractor may commence operations pursuant to the permit. Erosion and sediment control devices shall be installed in accordance with the 'Fitter Barrier Installation & Maintenance' and 'Hay Bate Installation & Maintenance' sections of this Narrative hereinafter contained. 3. Upon certification of the installation of erosion and sediment control measures by the Montville Zoning Enforcement Officer, the Contractor shall commence construction by the installation of that area designated as 'Proposed Drive' as delineated on Sheet 1 of 2 of the 'Excavation Plan', The 'Proposed Drive' shat( be cleared, grubbed and rough graded. A non -tracking construction entrance shall be provided immediately adjacent to Cherry Lane for a minimum distance of 50 feet westerly of said Cherry Lane. Dust control shalt be maintained as hereinafter provided. It should be noted that the proposed quarrying operation wit( make use of the two existing woods roads located immediately northerly and southerly of the area of the proposed operation. The construction of the 'Proposed Drive' from the westerly side of Cherry Lane to existing Contour 370 shalt be effected in accordance with the detail on the 'Excavation Plan'. Existing stone chips shall be spread on the existing access roads to the north and south of the proposed operation to provide a stable base for vehicular traffic, to provide dust control during dry months and to stabilize said access roads for erosion control purposes. 4, The permit request is a request to remove rock material from large rock outcroppings on the site in the area delineated on Sheet 1 of 2 of the 'Excavation Plan'. Rock will be removed on a demand basis and removed from the site. The essence of the operation will be tine removal of knobs of ledge materials existing on site from existing elevations to proposed Fina( elevations as delineated on Cross -Section 'A', Cross -Section 'B' and Cross -Section 'C' on Sheet 2 of 2 of the 'Excavation Plan'. 5. Where possible, ledge material will be removed with the use of a backhoe and rock drill, However, blasting will, from time to time, be necessitated in order to dislodge ledge material for removal, Blasting will be effected by utilizing small charges. Small charges must be employed in order to insure that the rock does not fracture. Fracturing impairs the commercial marketability of the rock. The Contractor shall at all times take adequate protective measures to prevent undue shock resulting from said blasting or the dispersal of rock fragments and shall be responsible for any damage which may result from said blasting operations. The Contractor shall observe and comply with alt federal and state laws, ordinances and regulations in any manner affecting blasting operations. The Contractor shall notify each public utility company having structures in pro,X11mity to the site of the work, and others who may be affected, of his intention to use explosives,; and such notice shalt be given sufficiently in advance to enable the companies, the Contractor and others to take such steps as they deem necessary to protect utilities and property from injury. Such notice shalt not relieve the Contractor of responsibility for any damage resulting from blasting operations: 6. It is contemp(,ated that no site stabilization will be required in the immediate areas of the quarrying operation due to the fact that the operation consists solely of ledge removal to a specified elevation as delineated on Sheet 2 of 2 of the 'Excavation Plan'. Upon completion of the operations in accordance therewith, a (edge surface at a lower elevation wit'. remain which will not require site stabilization. Disturbed areas outside of the area of immediate quarrying operations shall be stabilized as follows, Top soil wilt be replaced and non -rock disturbed areas ✓gall be graded to a slope- no greater than 311, Top soil will be spread at a minimum compacted dep+i of 4 inches. Once the top soil has been spread, all stones 2 inches or Larger in any dimension wit( be removed as well as debris. Agricultural ground limestone shalt be applied at the rate of 2 tons per acres or 100 pounds per LOGO square feet. 10-10-10 fertilizer or equivalent shall be applied at a rate of 300 pounds per acre or 7.5 pounds per 1,000 square feet. The time and fertilizer shall be worked into the soil to a depth of 4 inches. Thereafter, seed shat be applied at the rate of 1 pound per 1,000 square feet utilizing the following seedng nixture� Kentucky Blue Grass - 45'/., Creeping Red Fescue 4577„ Perennial Rye Grass - 10%, Seeding shall occur during the periods April 1 - ,lune 15 and August 1 - September 15, Fottowj.rig seeding, the seed bed shall be firmed with a rotier, Upon completion of firming, disturbed areas be mulched immediately with a hay mulch. If a permanent vegetative stc,id cannot be established by September 30, the Contractor shall apply a temporary cover on the top soil such as netting, mat or an organic mulch. 7. Silt fence, as required by the ',Excavation Plan' shalt be Installed as follows: Filter Barrier Installation & Maintenance A, Dig a 6' trench on the uphill side of the barrier location, B. Position the posts on the downhill side of the barrier and drive the post 1,5 feet into the ground. C. Lay the bottom 6' of the fabric in the trench to prevent undermining and backfill, D. Inspect and repair barrier after heavy rainfall. E Sediment deposits are to be removed when they reach a height of one foot behind the barrier and are to be deposited in an area which is not regu(ated by the Ini.an6 'W'et- ands Commission. 6. Hay aces, as required by the 'Excavation Ptan' shall be installed as foltowsl Hc,,e Bute Instal(a tion & Maintenance A, Bates shall be placed around all proposed catch basins with the ends of the bates tightly abutting each other, B Each ioa(e shalt be securety anchored with at least 2 stakes and gaps between bates shalt be wedged with straw to prevent water from passing between the bates. C. Inspect bales after eacr': and repair or replace promptly as eeaied. Remove sedimen4.t >� iind the bales when it has reached half the J,neight of the bale and deposit in an area which is not regulated by the Intand Wetlands Commission, D. Inspe% tions and necessary repairs will be made twice weekly, 9. Dus icroNntrci wilt be accomplished during construction by spraying with water, ar^-� necessary, by the application of calcium chloride as conditions warrant. t OF ROAD GL) T cx � 1 � UJ N Q �'- i t OF ROAD GL) T cx � 1 � Q �'- j GRADE TO DRAIN } 50' _12'—moi n,C. TYPICAL 6' HIGH TYPICAL --i 2d - 2% MAX. —�► .. C2 kTAIMIN09 1W An NOT TO SCALE CONSTRUCTION EN I4RANE NOT TO SCALE _�J I , M101MUM 514 FILTER FABRIC ANGLE !0' UP SLOPE FCST - FLjR STABILIT`! AND SELF CLEA'1iING • �f OOMPaCTEDY4` r BACKFILL _ : E NOT TO SCALE (2)-2'x2'X3' STAKES EACH BALE ❑ O O ❑ 6 rJ H. YBALE BARRIER NOT TO SCALE 428 424 420 M 412, 440 436 432 428 424 436 432 428 424 420 F pRopOSED GRADE EXISTING GRADE 0 20 4C 40 6C� _ 80 D G1i� p,D PROPOSE TDA -_ APRIL 23, 199'3 _ `,,"ARIES 2 OF 2 120 i R040 ?0 140 160 180 1 200 220 i 4*01401 V4 AW" ci m � .•* wee �i ":"_."'"'�" • .:ar -. �d us .., Architects, Engineers and Sur eyors •' 110 BROADWAY W)RWICK CT 0636U E0 Q8"8-3397 FAX 203-886-7801 B h,� 1