Specification Rewrite 2004ftp.dot.state.tx.us/pub/txdot-info/des/specs/100items.pdf– Stockpile locations, size, steel removal ... Changed from a Plans Quantity Item to measuring

Specification Rewrite Specification Rewrite 20042004

100 SERIES:100 SERIES: EARTH WORK EARTH WORK AND LANDSCAPEAND LANDSCAPE

100 Specification Committee100 Specification CommitteeCommittee Chair: Committee Chair: Maria G. BurkeMaria G. Burke, P.E., , P.E., Director of Field Coordination, DESDirector of Field Coordination, DESGary HumesGary Humes, P.E., Director of Construction, BWD, P.E., Director of Construction, BWDJoe AndersonJoe Anderson, P.E., Director of Construction, WFS, P.E., Director of Construction, WFSWalter SmithWalter Smith, P.E., Director of Construction, TYL, P.E., Director of Construction, TYLMarvin HatterMarvin Hatter, Vegetation Manager, SAT, Vegetation Manager, SATDennis MarkwardtDennis Markwardt, Director of Vegetation , Director of Vegetation Management, MNTManagement, MNTMark MathewsMark Mathews, ASLA, Director of Landscape, DES, ASLA, Director of Landscape, DESWill SwearingenWill Swearingen, P.E., Area Engineer, BMT, P.E., Area Engineer, BMTJim TravisJim Travis, P.E., FHWA, P.E., FHWAMike ArellanoMike Arellano, P.E., Transportation Engineer, CST, P.E., Transportation Engineer, CST

Items with No Significant ChangesItems with No Significant ChangesItem 103, “Disposal of Wells”Item 103, “Disposal of Wells”Item 104, “Removing Concrete”Item 104, “Removing Concrete”–– Specify the salvage of removed concreteSpecify the salvage of removed concrete–– Indicate the use of explosivesIndicate the use of explosives–– Stockpile locations, size, steel removal Stockpile locations, size, steel removal

and other details must be specified when and other details must be specified when salvagingsalvaging

–– Show saw cuts linesShow saw cuts linesItem 106, “Obliterating Abandoned Item 106, “Obliterating Abandoned Road” Road” Item 110, “Excavation”Item 110, “Excavation”–– Show compaction on the plans when not Show compaction on the plans when not

using Item 132 as pay item using Item 132 as pay item

Items with No Significant ChangesItems with No Significant Changes

Item 112, “Item 112, “SubgradeSubgrade Widening”Widening”–– Show additional embankment needed to build the section Show additional embankment needed to build the section

other than that generated by widening as a separate bid other than that generated by widening as a separate bid itemitem

–– No payment made for thickness or width exceeding that No payment made for thickness or width exceeding that shown on the typical sectionsshown on the typical sections

–– Sprinkling and Rolling will not be paid for directly but will beSprinkling and Rolling will not be paid for directly but will beconsidered subsidiary to this itemconsidered subsidiary to this item

Item 134, “Backfilling Pavement Edges” Item 134, “Backfilling Pavement Edges” Item 150, “Blading” Item 150, “Blading” Item 152, “Road Grader Work” Item 152, “Road Grader Work” Item 154, “Scraper Work” Item 154, “Scraper Work” Item 156, “Bulldozer Work”Item 156, “Bulldozer Work”Item 168, “Vegetative Watering”Item 168, “Vegetative Watering”Item 169, “Soil Retention Blankets”Item 169, “Soil Retention Blankets”

Item 100: “Preparing Right of Way”, pg.75Item 100: “Preparing Right of Way”, pg.75

Removed reference Removed reference to removal of palm to removal of palm trees.trees.

Show on plans Show on plans when tree wound when tree wound dressing is dressing is required.required.

Item 105:Item 105: “Removing Stabilized Base “Removing Stabilized Base and Asphalt Pavement”, pg. 79and Asphalt Pavement”, pg. 79

Formerly “Removing Stabilized Base Formerly “Removing Stabilized Base and/or Asphaltic Pavement”and/or Asphaltic Pavement”When measuring by the square yard, When measuring by the square yard, the limits of measurement will be as the limits of measurement will be as shown on the plans.shown on the plans.Changed from a Plans Quantity Item Changed from a Plans Quantity Item to measuring the quantities in original to measuring the quantities in original position with typical sections on plans position with typical sections on plans for width and depth. for width and depth. pg.79pg.79–– Length will be measured in the Length will be measured in the

field.field.

Item 132, “Embankment”, pg.83Item 132, “Embankment”, pg.83Adjusted PI ranges to more accurately Adjusted PI ranges to more accurately characterize the plasticity properties characterize the plasticity properties and the best density control practices and the best density control practices for the proper PI range. for the proper PI range. Recommended the inspector should:Recommended the inspector should:–– Request a new liquid limit and Request a new liquid limit and

plasticity index be determined for plasticity index be determined for each different or notable change in each different or notable change in material and apply the appropriate material and apply the appropriate density and moisture control density and moisture control presented in Table 2.presented in Table 2.

–– Request a new laboratory moistureRequest a new laboratory moisture--density curve when there in a density curve when there in a major, discernable change in major, discernable change in material, especially in its plasticity material, especially in its plasticity properties. properties.

Item 132, “Embankment”, pg.83Item 132, “Embankment”, pg.83

Eliminated classes for Eliminated classes for measurement method measurement method pg.88pg.88–– Measuring in CY for final position, Measuring in CY for final position,

original position and in vehicle original position and in vehicle delivered.delivered.

Type of material and Type of material and compaction must be shown on compaction must be shown on the plans.the plans.Requirements dealing with Requirements dealing with moisture content controls were moisture content controls were added to prevent overadded to prevent over--watering during compaction.watering during compaction.

Item 132, “Embankment”, pg.87Item 132, “Embankment”, pg.87

100% Max. Density

95 or 98% of Max. Density

Wmin,

Optimum Moisture

Wmax,

Max. Allowable Moisture

Laboratory

Moisture-Density CurveD

E

N

S

I

T

Y

COMPACTION MOISTURE

Acceptable Moisture RangeTable 2

Field Density Control Requirements

DescriptionDensity Moisture Content

Tex -115-E

PI ≤ 15 ≥ 98% Da

15 < PI ≤ 35 ≥ 98% Da and ≤ 102% Da > W opt.

PI > 35 ≥ 95% Da and ≤ 100% Da > W opt.

Item 158, “Special Excavation Work”, Item 158, “Special Excavation Work”, pg.94pg.94

Added measurement by the cubic Added measurement by the cubic yard in vehicles at the point of yard in vehicles at the point of excavation. excavation. pg. 95pg. 95Sprinkling and Rolling is subsidiarySprinkling and Rolling is subsidiaryOrdinary compaction, unless Ordinary compaction, unless otherwise shown. otherwise shown. Stockpile locations and Stockpile locations and measurements class must shown measurements class must shown and specified on the plans.and specified on the plans.Measurement and payment by CY Measurement and payment by CY in the vehicle in addition to CY in the vehicle in addition to CY original location and by the hour of original location and by the hour of equipment specified.equipment specified.

Item 160, “Topsoil”, pg.95Item 160, “Topsoil”, pg.95Title Change: Formerly Title Change: Formerly “Furnishing and Placing Topsoil”.“Furnishing and Placing Topsoil”.Designated stockpile locations Designated stockpile locations must be shown on the plans. must be shown on the plans. pg.96pg.96Added the requirement that Added the requirement that topsoil obtained off the ROW topsoil obtained off the ROW have a pH of 5.5 to 8.5. have a pH of 5.5 to 8.5. pg.96pg.96Added the requirement to Added the requirement to cultivate the area to a depth of 4 cultivate the area to a depth of 4 in. before placing topsoil. in. before placing topsoil. pg.96pg.96Removed all classes of Removed all classes of Measurement. Measurement. pg.96pg.96

Item 160, “Topsoil”, pg.95Item 160, “Topsoil”, pg.95Modified Figure 1, Modified Figure 1, pg. 97pg. 97–– Revised Figure 1 showing Revised Figure 1 showing

payment for excavation payment for excavation embankment on pg 97 for:embankment on pg 97 for:

Cut situations to include Cut situations to include the replaced topsoil the replaced topsoil quantity in the overall quantity in the overall excavation pay quantity.excavation pay quantity.Fill situations changed to Fill situations changed to exclude the replaced exclude the replaced topsoil quantities from the topsoil quantities from the embankment pay quantity.embankment pay quantity.

NEW ITEM:NEW ITEM:ITEM 161, “COMPOST”ITEM 161, “COMPOST”

Item 161, “Compost”, pg.98 Item 161, “Compost”, pg.98 Formally special specification Formally special specification 1027 & 1058.1027 & 1058.Specify type of compost on plans.Specify type of compost on plans.All compost must meet the All compost must meet the requirements of the US Composting requirements of the US Composting Council’s Seal of Testing Assurance Council’s Seal of Testing Assurance program. program. pg.98pg.98References USCC “Test Methods for the Examination of References USCC “Test Methods for the Examination of Composting and Compost”. Composting and Compost”. pg.98pg.98--9999Eliminated Eliminated SolvitaSolvita field test. field test. pg.98pg.98--9999Eliminates the need for general note clarification by defining Eliminates the need for general note clarification by defining the ratio of soil to compost, the depth of ECC and the size of the ratio of soil to compost, the depth of ECC and the size of the wood chips in ECC. the wood chips in ECC. pg.100pg.100

Item 161, “Compost”, pg.98Item 161, “Compost”, pg.98

Clarifies the responsibility Clarifies the responsibility for topsoil portion of CMTfor topsoil portion of CMT--BOS. BOS. pg.100pg.100Allows for a new pay item, Allows for a new pay item, CMT (Blended InCMT (Blended In--Place). Place). pg.100pg.100Define depth of material Define depth of material for CMT and GUC. for CMT and GUC. pg.100pg.100Compost specified will be Compost specified will be paid by STA, SY, or CY.paid by STA, SY, or CY.

Item 162, “Sodding for Erosion Control”, Item 162, “Sodding for Erosion Control”, pg.101pg.101

Crimping is now an alternative Crimping is now an alternative for a tacking while utilizing for a tacking while utilizing Straw or Hay Mulch. Straw or Hay Mulch. pg.102pg.102Spot sodding is restricted to Spot sodding is restricted to Bermuda grass. Bermuda grass. pg.102pg.102Cultivation prior to placing sod Cultivation prior to placing sod is now required. is now required. pg.102pg.102Eliminated grass retard option. Eliminated grass retard option. pg.102pg.102Tacking methods may be Tacking methods may be shown on the plans.shown on the plans.

Item 164, “Seeding for Erosion Control”, Item 164, “Seeding for Erosion Control”, pg. 103pg. 103

Require split application of fertilizer Require split application of fertilizer when utilizing “Temporary Seeding” when utilizing “Temporary Seeding” and “Permanent Seeding”. and “Permanent Seeding”. pg.105pg.105--113113Removed “Legume Seeding” from Removed “Legume Seeding” from spec due to nonspec due to non--use.use.Require seedbed prep by either Require seedbed prep by either mowing or cultivating when mowing or cultivating when performing “Permanent Seeding” performing “Permanent Seeding” through an established “Temporary through an established “Temporary Seeding”. Seeding”. pg.114pg.114Changed seed rates and mixes in Changed seed rates and mixes in Table 1. Table 1. pg.105pg.105Crimping is an alternative for a Crimping is an alternative for a tacking method while utilizing tacking method while utilizing “Straw or Hay Mulch”. “Straw or Hay Mulch”. pg.114pg.114

Item 166, “Fertilizer”, pg. 115Item 166, “Fertilizer”, pg. 115

Requires the use of a formulation Requires the use of a formulation in which the nitrogen (N) is at in which the nitrogen (N) is at least 50% slow release. least 50% slow release. pg.115pg.115Provides for measurement by the Provides for measurement by the acre of surface area covered or acre of surface area covered or by the ton. by the ton. pg.116pg.116Use a complete fertilizer Use a complete fertilizer containing nitrogen (N), containing nitrogen (N), phosphoric acid (P), and potash phosphoric acid (P), and potash (K) nutrients, unless otherwise (K) nutrients, unless otherwise specified on the plans.specified on the plans.–– Default to the 100lbs/AC of N using Default to the 100lbs/AC of N using

a complete fertilizer.a complete fertilizer.

Bid Item only when specified.Bid Item only when specified.

Item 170, “Irrigation System”, pg. 118Item 170, “Irrigation System”, pg. 118

Changed license requirements from Texas Changed license requirements from Texas Board of Irrigators to Texas Commission Board of Irrigators to Texas Commission on Environmental Quality (TCEQ). on Environmental Quality (TCEQ). pg.119pg.119Eliminated requirement that licensed Eliminated requirement that licensed irrigator be on site at all times. irrigator be on site at all times. Cover for all pipe in trenches and all nonCover for all pipe in trenches and all non--load bearing irrigation pipe in load bearing irrigation pipe in encasements reduced to 12 in minimum. encasements reduced to 12 in minimum. pg.119pg.119Hydrostatic testing pressure reduced to 80 Hydrostatic testing pressure reduced to 80 psi minimum for 24 hours. psi minimum for 24 hours. pg.120pg.120Electrical details must be shown plans Electrical details must be shown plans when greater then 100 volts.when greater then 100 volts.

Item 180, “Wildflower Seeding”, pg. 121Item 180, “Wildflower Seeding”, pg. 121

If special equipment (e.g. drill If special equipment (e.g. drill seeder) is to be used, it must be seeder) is to be used, it must be specified. specified. pg.121pg.121‘Hydro‘Hydro--seeding’ no longer seeding’ no longer prohibited. prohibited. pg.121pg.121‘Pneumatic tire’ no longer required ‘Pneumatic tire’ no longer required on equipment. on equipment. pg.121pg.121Deleted requirement to test seed Deleted requirement to test seed twice and provided for testing of twice and provided for testing of seed once. seed once. pg.121pg.121

Item 192, “Landscape Planting”, pg. 122Item 192, “Landscape Planting”, pg. 122Title Change: Formerly “Roadside Planting Title Change: Formerly “Roadside Planting and Establishment”. and Establishment”. Eliminated Planting Season Table.Eliminated Planting Season Table.Added measurement and payment for: Added measurement and payment for: pg.127pg.127–– Landscape EdgingLandscape Edging–– Plant Bed PreparationPlant Bed Preparation–– Vegetation BarrierVegetation Barrier–– MulchMulch–– Plant Soil Mix Plant Soil Mix

On any 30 days of the 90 day On any 30 days of the 90 day establishment period, if required establishment period, if required maintenance is not performed, 15% of the maintenance is not performed, 15% of the total bid price will be forfeited. total bid price will be forfeited. pg.128pg.128

Item 192, “Landscape Planting”,pg. 122Item 192, “Landscape Planting”,pg. 122

Change in measurement and Change in measurement and payment for: payment for: pg.127pg.127–– ‘Plant Material’ of the size‘Plant Material’ of the size–– ‘Plant Material’ of the group‘Plant Material’ of the group–– ‘Plant Material’ of the type and size‘Plant Material’ of the type and size–– When specified as a separate pay When specified as a separate pay

item:item:Landscape EdgingLandscape EdgingPlant Bed PreparationPlant Bed PreparationVegetation BarrierVegetation BarrierMulchMulchPlant Soil MixPlant Soil Mix

Item 193, “Landscape Establishment”, pg. 128Item 193, “Landscape Establishment”, pg. 128

If measured by the month, the If measured by the month, the Contractor must visit the site and Contractor must visit the site and perform maintenance at least perform maintenance at least every two weeks. every two weeks. pg.130pg.130Location for maintenance must be Location for maintenance must be shown on the plans. shown on the plans. pg.130pg.130Documentation of required Documentation of required licenses required prior to work. licenses required prior to work. pg.130pg.130ANSI A300 has become the ANSI A300 has become the standard for pruning. standard for pruning. pg.129pg.129

Item 193, “Landscape Establishment”, Item 193, “Landscape Establishment”, pg. 128pg. 128

Anticipated pruning should be Anticipated pruning should be shown on the plans. Special shown on the plans. Special pruning must be shown on the pruning must be shown on the plans.plans.AreasAreas to be watered and rates of to be watered and rates of application must be shown on the application must be shown on the plans when an irrigation system plans when an irrigation system has not been installed.has not been installed.Payment: Plant replacement by Payment: Plant replacement by the size and group are changed to the size and group are changed to reflect Item 192.reflect Item 192.

Item 193, “Landscape Establishment”Item 193, “Landscape Establishment”

Requirement for winterization of Requirement for winterization of the irrigation system when the irrigation system when directed by the Engineer or directed by the Engineer or specified on the plans. specified on the plans. pg.130pg.130Requirement for the Contractor to Requirement for the Contractor to be responsible for backflow be responsible for backflow preventer testing and associated preventer testing and associated fees on irrigation systems is fees on irrigation systems is clarified. clarified. pg.130pg.130Treatment of tree wounds (all Treatment of tree wounds (all Oaks) within 20 minutes. Oaks) within 20 minutes. pg.129pg.129

Item 192: “Landscape Planting” Item 192: “Landscape Planting” --Planting with 90 days establishment.Planting with 90 days establishment.

Item 193: “Landscape Establishment” Item 193: “Landscape Establishment” ––Used upon completion of 90 days Used upon completion of 90 days establishment or newly established establishment or newly established landscape projects for a period of two landscape projects for a period of two years.years.

Item 751: “Landscape Maintenance” Item 751: “Landscape Maintenance” ––Routine maintenance on established Routine maintenance on established landscaped areas.landscaped areas.

……And that’s the latest dirt!And that’s the latest dirt!THANKS FROM THE 100 SERIES THANKS FROM THE 100 SERIES

SPECIFICATION GROUP!SPECIFICATION GROUP!