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Item K09 BOARD OF COUNTY COMMISSIONERS AGENDA ITEM SUMMARY Meeting Date: 21 August 2002 Division: Growth Management Bulk Item: Yes X No Department" Marine Resources AGENDA ITEM WORDING: Approval to request bids for landscaping improvements and maintenance on property located on the north side of U.S. 1 near the westerly approach to Big Pine Key. ITEM BACKGROUND: At its February meeting the Board approved a contract with NOAA for receipt of Coastal Improvement Assistance Program (ClAP) funds in the amount of $296,387. Approximately $50,000 of these funds was provided to make habitat improvements on disturbed areas along U.S. 1 and elsewhere on Big Pine Key. After initial meetings, County staff and the District Commissioner for the Big Pine area determined that a request for quotes should be sent out to install vegetation on state properties on the north west end of U.S. 1 on Big Pine Key. Upon receipt of quotes, they exceeded amounts that could be accepted as a simple provision of quotes. Therefore, we are requesting approval to request bids for this project. PREVIOUS RELEVANT BOCC ACTION: February 2002 - approval of NOAA, ClAP grant CONTRACT/AGREEMENT CHANGES: NA STAFF RECOMMENDATIONS; Approval TOTAL COST: NA BUDGETED: Yes No COST TO COUNTY: NA REVENUE PRODUCING: Yes No X AMOUNT Per Month Year APPROVED BY: County Atty X Risk Management ~ DIVISION DIRECTOR APPROVAL: DOCUMENTATION: Included X To Follow _ Not Required DISPOSITION: AGENDA ITEM NO.: ~9 Document3 08/06/02 10:59 AM County of Monroe Department of Marine Resources 2798 Overseas Highway Suite 420 Marathon, Florida 33050 Voice: (305) 289-2500 FJlX: (305)289-2536 Board of County Commissioners Mayor Charles "Sonny" McCoy, Dist. 3 Mayor Pro Tern Dixie Spehar, Dist. 1 Comm. Murray Nelson, Dist 5 Comm. George Neugent, Dist. 2 Comm. Nora Williams, Dist 4 Request for Bids Big Pine Key Plant Restoration on State Lands The following tasks comprise the work to be completed on S 27, T 66, R 29, Big Pine Key, Part of Lot 1. (See attachments A & B). If you have any questions, please contact the project manager: George Garrett Monroe County Director of Marine Resources 2798 Overseas Highway, Suite 420 Marathon, FI 33050 phone: fax: email: (305) 289-2507 (305) 289-2536 garrettgeo@hotmail.com Job Specifications · Three hundred and fifty (350) holes are to be augured in two staggered rows on the North and West perimeter of the property. The outside row should have six (6) foot centers and be approximately six feet landward of the property line. The second row should be approximately 6' landward of and staggered from the first row. Existing native vegetation, however, is not to be disturbed and this pattern may be altered to accommodate. The first hole should be augured in the Northeast comer, approximately 4 feet from the eastern property line. Each hole should be approximately 36 inches wide and drilled to a depth of three feet, or two feet where impeded by cap rock. · Trees should be planted in accordance with the attached tree planting guide (Attachment C): (note: due to the size of the trees, lifting the tree with a rope when setting in the hole will not be necessary) Bids BPK Restoration 02 · The following mix of trees should be used: Common Name Seagrape Blolly Coco-plum Green Buttonwood Jamaican Dogwood Key Thatch Palm Gumbo Limbo Scientific Name Coccoloba unifera Guettarda scabra Chrysobalanus icaco Conocarpus erectus Piscidia piscipula Thrinax morrisii Bursera simaruba Number 55 40 50 100 30 45 30 · Trees should be non-uniformly commingled to improve growth rates and aesthetics. · All trees should be healthy in 7-gallon pots. The project manager or his representative will inspect for quality assurance and approve plant material at the project location. The County reserves the right to reject any and all plant material. · Backfill of the planting should be a mix of the removed fill and a sandy-loam. The sandy-loam should be no less than 50% quartz sand. · All plants are to be watered as noted in the attached tree-planting guide. · Mulch, provided by the county, is to be spread by the contractor across the entire planting area extending past the drip line of the plants. · Plants must be maintained with survivability to at least one year. Any unhealthy or dead plants will be required to be replaced with similar size materials during that one-year duration. The Contractor will be paid 800/0 of the bid price thirty (30) days after completion of the initial planting. Six months after completion the Project Manager will inspect the site and at his discretion will require replanting of dead or dying vegetation. Vegetation must be replaced within fourteen (14) days from inspection. When completed to The Project Manager's specifications the contractor will be issued half of the remaining balance on the contract. The Project Manager will again inspect the site one (1) year from the initial planting. Any replanting deemed necessary is required to be completed with in fourteen days to the satisfaction of the project manager. At that time the remaining balance of the contract will be issued to the contractor. · Contractor must complete initial planting within 30 days from notice to proceed. · Project manager will be given five working days' notice of commencement of work on site. Page 2 of2 ~ ~ ~ ~ = ."", ~ OQ ."", = -< ...., = QJ e ..c: v fa ...., ...., -< .~ ~ ~ ..c v ... o (:-4 ~ - - - .- ,..J ~:c: -...;.Q -=: ~I~ I.. .., " -i .1 ..i~. "I _I t ~ ~.tll"'tJ.i"'.:l ,:':;::: :.'.t':.,:' :,:,::~::,:":: :,~ . .-::a":~lr, == "..L ,OJ . .1 _ . ~I.. ~ I .. - :,ll.I.. ..' .1 ~f . 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Steps to planting a tree (click on photographs for more information) 1) Look up. If there is a wire, security light, or building nearby that could interfere with proper development of the tree canopy as it grows, plant elsewhere. 2) Dig a shallow planting hole as wide as possible. Shallow is better than deep! Most people plant trees too deep. A hole three times the width of the root ball is often recommended but about one-and-one-half the diameter is more common. Roots can become deformed by the edge of the hole in compacted or clayey soils if it is too small. The depth of the hole should be LESS than the height of the root ball, especially in compacted or wet soil. If the hole was inadvertently dug too deep, add soil and compact it with your foot. Breaking up compacted soil in a large area (out to the dripline of the tree) around the tree provides the newly emerging roots room to expand into loose soil. This will hasten root growth translating into quicker establishment. Loosen the soil with a rototill, shovel, or other tools. 3) Find the trunk flare. The trunk flare (root flare, root crown) is the abrupt swelling where roots join the trunk. This point should be visible at the top of the root ball. If the trunk flare is not visible, remove soil or media from the top of the ball until it is visible. to~p.most root. ~ ;~~f~l,:~ ." '~"~.~'."~:;:"";.';.~~ :;' ;.'r~~if.g,G;;~~I~';;. ',;~~:~:::, -':"~ ..... .', tf:\,."-... ~.~-:c~ <~~.. ~'.-.:.~~. .;;~::.~- <' ~~ .~:*.J~,,'>)-~..:.;-,{ _.....:;..~J'....,.. ,....:..... :. -. "~i::'; . ~.:;,<:~>~"i*'~~,~~'~--~;;',.~:-:~;:.~.: ~;.:~ .' 4) Slide the tree carefully into the planting hole._To avoid damage when setting the tree in the hole, lift the tree with straps or rope around the root ball, not by the trunk. Special strapping mechanisms need to be constructed to carefully lift trees out of large containers. 5) Be sure that the root flare is slightly above the surface of the surrounding soil. It is better to plant the tree a little high than to plant it too deep. If the tree is a little deep, tip it to one side and slide some soil under it; then tip it back the other way and slide some more soil under the ball. Continue this until it is set at the appropriate depth. Once it is at the appropriate depth, place a small amount of soil around the root ball to stabilize it. Soil amendments are usually of no benefit. The soil removed from the hole makes the best backfill. 6) Straighten the tree in the hole. Before you begin backfilling have someone view the tree from two directions perpendicular to each other to confirm the tree is straight. Fill in with some more backfill soil to secure the tree in the upright position. Once you add large amounts of backfill, it is difficult to reposition the tree. 7) Slice a shovel down into the backfill 15 to 25 times all around the tree. Attempt to break ~.c1a e~ soil c1um s as much as possible. Do NOTstep firmly on the backfill soil because this ----~ could compact it and restrict root growth, especially in clayey soil. Fill the hole around the root ball with soil. When the hole is filled with soil the root " ball should remain 2 to 3 inches above the backfill soil. Slice the shovel 20 'to 30 times into backfill to settle the soil. Add 10 to 20 gallons of water to the root ball and backfill. Fill in any holes or depressions with additional backfill soil. Do not firmly pack backfill soil in an attempt to eliminate air pockets because this could cause too much soil compaction. The water infiltrating the backfill soil will eliminate the large air pockets. The presence of small air pockets could even be of benefit because they could allow more air to reach the roots. 8) Remove all synthetic materials from around the trunk and root ball. String, rope, synthetic burlap, strapping, and other materials that will not decompose in the soil must be removed at planting. http://hort.ufl.edulwoody/planting/summaryplanting.htm 06111/2002 Dr. Ed Gilman, Protessor, Envir. Hort. Dept., Univ. of Florida Page 201"2 9) Cover the sides of the root ball with mulch and apply mulch to at least an 8 foot diameter circle around the tree. Construct a berm out of mulch at the edge of the root ball only if the tree will be watered with a hose, bucket, or other high volume means. Constructing a berm in all other situations will not provide more water to the root system. Do not construct a berm from soil since this soil could end up over the root ball several month later. Water the mulch well after it is spread. 10) Stake the tree, if necessary to hold the root ball firm in the soil. If the root ball moves in the wind, emerging roots could break and trees will establish slowly. Staking to hold a weak trunk upright should not be necessary on trees with a trunk diameter more than about 1.5 inches. If large trees require staking to prevent the trunk from bending, it probably indicates a lesser quality tree. Smaller trees might require staking until enough trunk strength develops. Trees could establish more quickly and develop a slightly stronger trunk and root system if they are not staked at the time of planting. http://hort.ufl.edu/woody/planting/summaryplanting.htm 06111/2002