elara - precinct 6 road crossings da estimate report · 15 crane pads adjacent to culvert 1 item...
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Elara – Precinct 6 Road Crossings DA
Estimate Report
Prepared for:
J Wyndham Prince
Matthew Kritzler
Associate
02 9541 8000
20th December 2017
Issue 1.0
Elara - Precinct 6
Road Crossings DA
Estimate Report
Elara – Precinct 6 Road Crossings DA Estimate Report
21336 Mitchell Brandtman | Page 1
1 SUMMARY
As requested, we have prepared an estimate of costs to undertake the three road
crossings in connection with Elara – Precinct 6 at Marsden Park.
The estimate is based on J. Wyndham Prince drawings.
We have calculated the estimate of direct costs from quantities measured off the
drawings and industry based rates, benchmarked against works of similar nature.
The estimate of indirect costs have been based on percentages in accordance with
IPART Local Infrastructure Benchmark Costs Final Report, dated April 2014.
Item Total (Excl GST)
Shanes Park Road Culvert Crossing $4,737,542
Crossing 2 Culvert Crossing $1,348,345
Road 622 Culvert Crossing $1,111,374
$7,197,261
2 INFORMATION USED
The following documentation has been used in the preparation of this estimate:-
J. Wyndham Prince drawings 11035005/DC17 revision A through to DC22 revision A.
Breakspear Architects New Park / Elara Marsden Park – Bridge and Culvert Crossings Design Study
3 SCHEDULE OF EXCLUSIONS
The following exclusions have been made in the preparation of this estimate:-
Council on-costs including contributions, fees, payments and long service levy,
Taxes, duties and legal fees,
Land costs,
Finance costs,
Removal of asbestos, restricted and hazardous waste including on-site
stabilisation of contaminated material,
Subgrade improvement or piering to the culverts,
Allowance for crane pad footings to enable construction of the culvert,
Services trunk mains and conduits crossing the culvert,
Riparian improvements beyond the extent of the culvert scour protection,
Escalation for works beyond December 2017,
GST.
Elara – Precinct 6 Road Crossings DA Estimate Report
21336 Mitchell Brandtman | Page 2
4 SCHEDULE OF ASSUMPTIONS
The following assumptions have been made in the preparation of the estimate:
Work will be tendered on a competitive basis,
Works can be undertaken under standard business hours,
Construction preliminaries and overheads at 12%,
Design and Professional Fees at 5.5%,
Contingency at 5%,
Margin at 7%.
Yours Sincerely
MITCHELL BRANDTMAN
Matthew Kritzler
Associate
Attachment 1 – Estimate of Costs
Elara – Precinct 6 Road Crossings DA Estimate Report
21336 Mitchell Brandtman | Page 3
Attachment 1
Estimates
ITEM DESCRIPTION OF WORK QUANTITY UNIT RATE AMOUNT
EROSION AND SEDIMENT CONTROL
1 Sediment fence 110 m 15.00 1,650.00
2 Check dam 1 No 1,750.00 1,750.00
3 Straw bale barriers 6 No 75.00 450.00
TEMPORARY DIVERSION
4 Temporary pipework around creek during construction 105 m 320.00 33,600.00
5 temporary headwalls and scour protection 2 No 5,000.00 10,000.00
6 Demolition and reinstatement upon completion 1 Item 2,500.00 2,500.00
ACCESS TRACKS
7Clearing and access tracks footings - allow crushed sandstone
drainage layer600 m² 37.00 22,200.00
EARTHWORKS
Bulk Excavation
8 Excavation to stockpile 3,000 m³ 10.00 30,000.00
9Trim, grade and compact base of reshaped creek to required
contour levels6,900 m² 5.00 34,500.00
10 Trim, grade and compact backfill prior to pouring road base 1,305 m² 6.00 7,830.00
11Allowance for detailed excavation of thickenings, isolation joints and
the like1 Item 3,500.00 3,500.00
Detailed Excavation
12 Detailed excavation to low flow section 21 m³ 65.00 1,365.00
13 Detailed excavation to cut-off wall 13 m³ 65.00 845.00
CULVERTS
Working Slab
14Subgrade improvement to creek bed (up to 1m of crushed
sandstone replacement)564 m³ 110.00 Excluded
15 Crane pads adjacent to culvert 1 Item 10,000.00 Excluded
16 5MPa, 50mm thick mass concrete working slab 564 m² 28.00 15,792.00
Formwork
Base Slab
17 Formwork or backfill to cut-off wall 141 m 35.00 4,935.00
18Formwork to sides of 300mm thick base slab including wingwall and
retaining wall footings160 m 60.00 9,600.00
19 Formwork to 300mm sides of low-flow channel 10 m² 140.00 1,400.00
20 Form rebates for RCBC base slab 320 m 40.00 12,800.00
Wing Walls
21 Formwork to concrete wing walls 423 m² 180.00 76,140.00
2235mm dia PVC weep holes cast into wingwall at 1500 centres,
200mm above ground level43 No 55.00 2,365.00
Head Walls
23 Formwork to the edge of 275mm head wall slab 141 m 60.00 8,460.00
24 Formwork side of head wall 582 m² 160.00 93,120.00
Road Base and Boardwalk
25Formwork to 100mm soffit of boardwalk base including 20mm fillet
and drip groove128 m 85.00 10,880.00
26 Formwork to 350mm edges of boardwalk 128 m 60.00 7,680.00
27 Formwork to 150mm edges of boardwalk 128 m 45.00 5,760.00
Safety Barrier
28 Formwork to edges of safety barrier 281 m² 220.00 61,820.00
29 20mm fillets to safety barrier 117 m 5.00 585.00
30 5m transition from safety barrier to kerb and gutter (200kg/m3) 4 No 1,450.00 5,800.00
Reinforcement
Mesh
31 SL81 mesh to base slab 564 m² 22.50 12,690.00
32 SL82 mesh to road base and boardwalk 539 m² 12.00 6,468.00
33 SL102 mesh to road base and boardwalk 1,229 m² 20.50 25,194.50
Bar
34Reinforcement to slab including cut-off walls, low flow channel walls,
thickenings and wingwall footing (180kg/m³) 39.78 t 2,350.00 93,483.00
35 Reinforcement to wing wall (223kg/m³) 12.49 t 2,600.00 32,474.00
36 Reinforcement to head wall (190kg/m³) 31.54 t 2,600.00 82,004.00
37 Reinforcement to road base and boardwalk (22kg/m³) 3.90 t 2,350.00 9,165.00
38 Reinforcement to safety barrier (224kg/m³) 5.60 t 2,350.00 13,160.00
39 5m transition from safety barrier to kerb and gutter (200kg/m3) 4 No 350.00 1,400.00
SHANES PARK ROAD - CULVERT CROSSING
ELARA ESTIMATES DECEMBER 2017 - SECTION 94 DETAILED CONCEPT PLANS
21336.03 -Elara DA Est - Culvert Crossings - Dec 2017Shanes Park Rd
Page 1 20/12/2017
ITEM DESCRIPTION OF WORK QUANTITY UNIT RATE AMOUNT
SHANES PARK ROAD - CULVERT CROSSING
ELARA ESTIMATES DECEMBER 2017 - SECTION 94 DETAILED CONCEPT PLANS
Joints & Dowels
40 Allowance for all joints 540 m² 55.00 29,700.00
Concrete
41
40MPa, 300mm thick reinforced concrete slab with concrete additive
including cut-off walls, low flow channel walls, thickenings and
wingwall footing
221 m³ 320.00 70,720.00
42 40MPa, 350mm thick concrete wing wall 56 m³ 360.00 20,160.00
43 40MPa, head wall concrete 166 m³ 360.00 59,760.00
44 40MPa, Concrete to road base and boardwalk 177 m³ 320.00 56,640.00
45 40MPa, Concrete to safety barrier 25 m³ 360.00 9,000.00
46 5m transition from safety barrier to kerb and gutter 4 No 575.00 2,300.00
Structural Backfill
47Backfill with approved engineered material above culverts and link
slab4,187 m³ 85.00 355,895.00
Reinforced concrete box culverts (RCBC - standard lengths
2.464m length)
48 Supply and install 3600 x 1200mm RCBC 128 m 3,200.00 409,600.00
49 Supply and install 3600 x 1500mm RCBC 16 m 3,480.00 55,680.00
50 Grout rebates with Class C high performance structural grout 320 m 25.00 8,000.00
51Grout side of low flow channel wall with Class C high performance
structural grout10 m² 80.00 800.00
SAFETY BARRIER
52 2 M12 chemsets at 400 ctrs 588 No 75.00 44,100.00
53 180 x 10 continuous plate 117 m 195.00 22,815.00
54 75 x 50 x 3 RHS 0.64 t 19,250.00 12,320.00
55 127 x 3.2 CHS top rail with end caps at doweled key concrete joints 1.17 t 12,650.00 14,800.50
CANTILEVERED STEEL FRAME FOOTPATH
56 250mm long 4M20 cast in galvanised bolts 432 No 165.00 71,280.00
571m long 150 PFC at 1200 ctrs including plates and 10mm thick
stiffener2.11 t 14,500.00 30,595.00
58 1.2m long 75x70 tee cut from 150UB 1.18 t 17,650.00 20,827.00
59 33.7 x 3.2 curved CHS 0.08 t 23,500.00 1,880.00
60 48.3 x 3.2 CHS handrail 0.46 t 17,500.00 8,050.00
61 Webforge / Wedlok F405 grating or equivalent fixed to PFC 128 m² 625.00 80,000.00
62 Stainless steel rod mesh to architects detail 154 m² 750.00 115,500.00
ROAD PAVEMENTS
63 300mm compacted subgrade 528 m² 45.00 23,760.00
64 160mm crushed sandstone sub-base course 528 m² 14.00 7,392.00
65 150mm DGB20 base course 528 m² 15.75 8,316.00
66 50mm AC 67 t 245.00 16,415.00
67 Kerb and gutter 63 m 65.00 4,095.00
68 Concrete footpaths 140 m² 105.00 14,700.00
MASONRY RETAINING WALL
69 Excavate for retaining wall 1,106 m³ 65.00 71,890.00
70 Masonry walls including an allowance for concrete base 492 m² 1,000.00 492,000.00
71 Backfill with excavated material 885 m³ 45.00 39,816.00
72 Subsoil drainage 175 m 50.00 8,750.00
73 200 wide gravel drain between backfill and geotextile 211 m³ 160.00 33,728.00
74 Geotextile 1,054 m² 12.00 12,648.00
75 Monowills tubular handrail where wall is over 1m 175 m 275.00 48,125.00
STACKED ROCK RETAINING WALL
76 Excavate for retaining wall 30 m³ 65.00 1,950.00
77 Stacked rock retaining wall including an allowance for the base 30 m² 660.00 19,800.00
78 Backfill with excavated material 24 m³ 45.00 1,080.00
79 Subsoil drainage 60 m 50.00 3,000.00
80 200 wide gravel drain between backfill and geotextile 12 m³ 160.00 1,920.00
81 Geotextile 72 m² 12.00 864.00
21336.03 -Elara DA Est - Culvert Crossings - Dec 2017Shanes Park Rd
Page 2 20/12/2017
ITEM DESCRIPTION OF WORK QUANTITY UNIT RATE AMOUNT
SHANES PARK ROAD - CULVERT CROSSING
ELARA ESTIMATES DECEMBER 2017 - SECTION 94 DETAILED CONCEPT PLANS
SCOUR PROTECTION AND LANDSCAPING
Scour Protection Type 1
82 Excavate to reduced levels 293 m³ 10.00 2,930.00
83 Excavate to cut off wall 15 m³ 80.00 1,200.00
84 A64 geotextile fabric 828 m² 5.00 4,140.00
85 200mm deep 75-100mm aggregate 732 m² 18.00 13,176.00
86 600 x 300 deep rock cut off wall 80 m 240.00 19,200.00
87 Sandstone block drop structure 105 m 340.00 35,700.00
88 Rip-rap scour protection 732 m² 160.00 117,120.00
89 Landscaping to scour protection area 732 m² 45.00 32,940.00
Scour Protection Type 1 in Culvert Low Flow Channel
90 Rip-rap scour protection 58 m² 160.00 9,216.00
Scour Protection Type 2
91 Grassroots nonwoven geotextile or Enkamat 7020 pinned in place 396 m² 17.50 6,930.00
92 Landscaping to scour protection area 396 m² 45.00 17,820.00
Turf Area
93 200mm topsoil with Kikuyu turf or hydroseed 2,500 m² 16.00 40,000.00
Maintenance
94 Watering, mowing, replacing plants etc until hand over to council 1 Item 4,885.00 4,885.00
STORMWATER
95 Allowance for splitters and connections through culverts 540 m² 40.00 21,600.00
STREET LIGHTING
96Thorn 'Urba' street light including an allowance for conduit and
cabling26 No 5,500.00 143,000.00
97 LED lighting to paths 128 m 350.00 44,800.00
SUB-TOTAL $3,568,694.00
INDIRECT COSTS
97 Preliminaries/On-site Overheads (12%) $428,244.00
98 Design (5.5%) $219,832.00
99 Contingency (5%) $210,839.00
100 Margin (7%) $309,933.00
TOTAL $4,737,542.00
21336.03 -Elara DA Est - Culvert Crossings - Dec 2017Shanes Park Rd
Page 3 20/12/2017
ITEM DESCRIPTION OF WORK QUANTITY UNIT RATE AMOUNT
EROSION AND SEDIMENT CONTROL
1 Sediment fence 70 m 15.00 1,050.00
2 Check dam 1 No 1,750.00 1,750.00
3 Straw bale barriers 6 No 75.00 450.00
TEMPORARY DIVERSION
4 Temporary pipework around creek during construction 85 m 320.00 27,200.00
5 temporary headwalls and scour protection 2 No 5,000.00 10,000.00
6 Demolition and reinstatement upon completion 1 Item 2,500.00 2,500.00
ACCESS TRACKS
7Clearing and access tracks footings - allow crushed sandstone
drainage layer300 m² 37.00 11,100.00
EARTHWORKS
Bulk Excavation
8 Excavation to stockpile 252 m³ 10.00 2,520.00
9Trim, grade and compact base of reshaped creek to required
contour levels1,350 m² 5.00 6,750.00
10 Trim, grade and compact backfill prior to pouring road base 165 m² 6.00 990.00
11Allowance for detailed excavation of thickenings, isolation joints and
the like1 Item 2,000.00 2,000.00
Detailed Excavation
12 Detailed excavation to low flow section 18 m³ 65.00 1,170.00
13 Detailed excavation to cut-off wall 7 m³ 65.00 455.00
CULVERTS
Working Slab
14Subgrade improvement to creek bed (up to 1m of crushed
sandstone replacement)275 m³ 110.00 Excluded
15 Crane pads adjacent to culvert 1 Item 10,000.00 Excluded
16 5MPa, 50mm thick mass concrete working slab 275 m² 28.00 7,700.00
Formwork
Base Slab
17 Formwork or backfill to cut-off wall 79 m 35.00 2,765.00
18Formwork to sides of 300mm thick base slab including wingwall and
retaining wall footings104 m 60.00 6,240.00
19 Formwork to 300mm sides of low-flow channel 9 m² 140.00 1,260.00
20 Form rebates for RCBC base slab 168 m 40.00 6,720.00
Wing Walls
21 Formwork to concrete wing walls 48 m² 180.00 8,640.00
2235mm dia PVC weep holes cast into wingwall at 1500 centres,
200mm above ground level12 No 55.00 660.00
Head Walls
23 Formwork to the edge of 275mm head wall slab 79 m 60.00 4,740.00
24 Formwork side of head wall 54 m² 160.00 8,640.00
Road Base and Boardwalk
25Formwork to 100mm soffit of boardwalk base including 20mm fillet
and drip groove47 m 85.00 4,012.00
26 Formwork to 350mm edges of boardwalk 47 m 60.00 2,832.00
27 Formwork to 150mm edges of boardwalk 47 m 45.00 2,124.00
Safety Barrier
28 Formwork to edges of safety barrier 66 m² 220.00 14,520.00
29 20mm fillets to safety barrier 28 m 5.00 140.00
30 5m transition from safety barrier to kerb and gutter (200kg/m3) 4 No 1,450.00 5,800.00
Reinforcement
Mesh
31 SL81 mesh to base slab 270 m² 22.50 6,075.00
32 SL82 mesh to road base and boardwalk 115 m² 12.00 1,380.00
33 SL102 mesh to road base and boardwalk 333 m² 20.50 6,826.50
Bar
34Reinforcement to slab including cut-off walls, low flow channel walls,
thickenings and wingwall footing (180kg/m³) 19.80 t 2,350.00 46,530.00
35 Reinforcement to wing wall (223kg/m³) 2.01 t 2,600.00 5,226.00
36 Reinforcement to head wall (190kg/m³) 5.70 t 2,600.00 14,820.00
37 Reinforcement to road base and boardwalk (22kg/m³) 1.10 t 2,350.00 2,585.00
38 Reinforcement to safety barrier (224kg/m³) 1.35 t 2,350.00 3,172.50
39 5m transition from safety barrier to kerb and gutter (200kg/m3) 4 No 350.00 1,400.00
ELARA ESTIMATES DECEMBER 2017 - SECTION 94 DETAILED CONCEPT PLANS
CROSSING 2 - ROAD CULVERT CROSSING
21336.03 -Elara DA Est - Culvert Crossings - Dec 2017Crossing 2
Page 4 20/12/2017
ITEM DESCRIPTION OF WORK QUANTITY UNIT RATE AMOUNT
ELARA ESTIMATES DECEMBER 2017 - SECTION 94 DETAILED CONCEPT PLANS
CROSSING 2 - ROAD CULVERT CROSSING
Joints & Dowels
40 Allowance for all joints 275 m² 55.00 15,125.00
Concrete
41
40MPa, 300mm thick reinforced concrete slab with concrete additive
including cut-off walls, low flow channel walls, thickenings and
wingwall footing
110 m³ 320.00 35,200.00
42 40MPa, 350mm thick concrete wing wall 9 m³ 360.00 3,240.00
43 40MPa, head wall concrete 30 m³ 360.00 10,800.00
44 40MPa, Concrete to road base and boardwalk 50 m³ 320.00 16,000.00
45 40MPa, Concrete to safety barrier 6 m³ 360.00 2,160.00
46 5m transition from safety barrier to kerb and gutter 4 No 575.00 2,300.00
Structural Backfill
47Backfill with approved engineered material above culverts and link
slab224 m³ 85.00 19,040.00
Reinforced concrete box culverts (RCBC - standard lengths
2.464m length)
48 Supply and install 3600 x 1200mm RCBC 56 m 3,200.00 179,200.00
49 Supply and install 3600 x 1500mm RCBC 14 m 3,480.00 48,720.00
50 Grout rebates with Class C high performance structural grout 168 m 25.00 4,200.00
51Grout side of low flow channel wall with Class C high performance
structural grout9 m² 80.00 720.00
SAFETY BARRIER
52 2 M12 chemsets at 400 ctrs 140 No 75.00 10,500.00
53 180 x 10 continuous plate 28 m 195.00 5,460.00
54 75 x 50 x 3 RHS 0.16 t 19,250.00 3,080.00
55 127 x 3.2 CHS top rail with end caps at doweled key concrete joints 0.28 t 12,650.00 3,542.00
CANTILEVERED STEEL FRAME FOOTPATH
56 250mm long 4M20 cast in galvanised bolts 168 No 165.00 27,720.00
571m long 150 PFC at 1200 ctrs including plates and 10mm thick
stiffener0.82 t 14,500.00 11,890.00
58 1.2m long 75x70 tee cut from 150UB 0.46 t 17,650.00 8,119.00
59 33.7 x 3.2 curved CHS 0.04 t 23,500.00 940.00
60 48.3 x 3.2 CHS handrail 0.17 t 17,500.00 2,975.00
61 Webforge / Wedlok F405 grating or equivalent fixed to PFC 48 m² 625.00 30,000.00
62 Stainless steel rod mesh to architects detail 57 m² 750.00 42,750.00
ROAD PAVEMENTS
63 300mm compacted subgrade 83 m² 45.00 3,735.00
64 160mm crushed sandstone sub-base course 83 m² 14.00 1,162.00
65 150mm DGB20 base course 83 m² 15.75 1,307.25
66 50mm AC 11 t 245.00 2,695.00
67 Kerb and gutter 21 m 65.00 1,365.00
68 Concrete footpaths 72 m² 105.00 7,560.00
STACKED ROCK RETAINING WALL
69 Excavate for retaining wall 37 m³ 65.00 2,405.00
70 Stacked rock retaining wall including an allowance for the base 73 m² 660.00 48,180.00
71 Backfill with excavated material 30 m³ 45.00 1,332.00
72 Subsoil drainage 80 m 50.00 4,000.00
73 200 wide gravel drain between backfill and geotextile 15 m³ 160.00 2,400.00
74 Geotextile 175 m² 12.00 2,102.40
SCOUR PROTECTION AND LANDSCAPING
Scour Protection Type 1
75 Excavate to reduced levels 186 m³ 10.00 1,860.00
76 Excavate to cut off wall 8 m³ 80.00 640.00
77 A64 geotextile fabric 513 m² 5.00 2,565.00
78 200mm deep 75-100mm aggregate 465 m² 18.00 8,370.00
79 600 x 300 deep rock cut off wall 40 m 240.00 9,600.00
80 Sandstone block drop structure 60 m 340.00 20,400.00
81 Rip-rap scour protection 465 m² 160.00 74,400.00
82 Landscaping to scour protection area 465 m² 45.00 20,925.00
Scour Protection Type 1 in Culvert Low Flow Channel
83 Rip-rap scour protection 51 m² 160.00 8,160.00
21336.03 -Elara DA Est - Culvert Crossings - Dec 2017Crossing 2
Page 5 20/12/2017
ITEM DESCRIPTION OF WORK QUANTITY UNIT RATE AMOUNT
ELARA ESTIMATES DECEMBER 2017 - SECTION 94 DETAILED CONCEPT PLANS
CROSSING 2 - ROAD CULVERT CROSSING
Scour Protection Type 2
84 Grassroots nonwoven geotextile or Enkamat 7020 pinned in place 203 m² 17.50 3,552.50
85 Landscaping to scour protection area 203 m² 45.00 9,135.00
Turf Area
86 200mm topsoil with Kikuyu turf or hydroseed 680 m² 16.00 10,880.00
Maintenance
87 Watering, mowing, replacing plants etc until hand over to council 1 Item 2,225.00 2,225.00
STORMWATER
88 Allowance for splitters and connections through culverts 275 m² 40.00 11,000.00
STREET LIGHTING
89Thorn 'Urba' street light including an allowance for conduit and
cabling5 No 5,500.00 27,500.00
90 LED lighting to paths 28 m 350.00 9,800.00
SUB-TOTAL $1,015,680.00
INDIRECT COSTS
90 Preliminaries/On-site Overheads (12%) $121,882.00
91 Design (5.5%) $62,566.00
92 Contingency (5%) $60,007.00
93 Margin (7%) $88,210.00
TOTAL $1,348,345.00
21336.03 -Elara DA Est - Culvert Crossings - Dec 2017Crossing 2
Page 6 20/12/2017
ITEM DESCRIPTION OF WORK QUANTITY UNIT RATE AMOUNT
EROSION AND SEDIMENT CONTROL
1 Sediment fence 65 m 15.00 975.00
2 Check dam 1 No 1,750.00 1,750.00
3 Straw bale barriers 6 No 75.00 450.00
TEMPORARY DIVERSION
4 Temporary pipework around creek during construction 85 m 320.00 27,200.00
5 temporary headwalls and scour protection 2 No 5,000.00 10,000.00
6 Demolition and reinstatement upon completion 1 Item 2,500.00 2,500.00
ACCESS TRACKS
7Clearing and access tracks footings - allow crushed sandstone
drainage layer300 m² 37.00 11,100.00
EARTHWORKS
Bulk Excavation
8 Excavation to stockpile 315 m³ 10.00 3,150.00
9Trim, grade and compact base of reshaped creek to required
contour levels1,600 m² 5.00 8,000.00
10 Trim, grade and compact backfill prior to pouring road base 165 m² 6.00 990.00
11Allowance for detailed excavation of thickenings, isolation joints and
the like1 Item 2,000.00 2,000.00
Detailed Excavation
12 Detailed excavation to low flow section 13 m³ 65.00 845.00
13 Detailed excavation to cut-off wall 5 m³ 65.00 325.00
CULVERTS
Working Slab
14Subgrade improvement to creek bed (up to 1m of crushed
sandstone replacement)192 m³ 110.00 Excluded
15 Crane pads adjacent to culvert 1 Item 10,000.00 Excluded
16 5MPa, 50mm thick mass concrete working slab 192 m² 28.00 5,376.00
Formwork
Base Slab
17 Formwork or backfill to cut-off wall 55 m 35.00 1,925.00
18Formwork to sides of 300mm thick base slab including wingwall and
retaining wall footings91 m 60.00 5,460.00
19 Formwork to 300mm sides of low-flow channel 9 m² 140.00 1,260.00
20 Form rebates for RCBC base slab 168 m 40.00 6,720.00
Wing Walls
21 Formwork to concrete wing walls 76 m² 180.00 13,680.00
2235mm dia PVC weep holes cast into wingwall at 1500 centres,
200mm above ground level14 No 55.00 770.00
Head Walls
23 Formwork to the edge of 275mm head wall slab 55 m 60.00 3,300.00
24 Formwork side of head wall 39 m² 160.00 6,240.00
Road Base and Boardwalk
25Formwork to 100mm soffit of boardwalk base including 20mm fillet
and drip groove46 m 85.00 3,910.00
26 Formwork to 350mm edges of boardwalk 46 m 60.00 2,760.00
27 Formwork to 150mm edges of boardwalk 46 m 45.00 2,070.00
Safety Barrier
28 Formwork to edges of safety barrier 65 m² 220.00 14,300.00
29 20mm fillets to safety barrier 27 m 5.00 135.00
30 5m transition from safety barrier to kerb and gutter (200kg/m3) 4 No 1,450.00 5,800.00
Reinforcement
Mesh
31 SL81 mesh to base slab 192 m² 22.50 4,320.00
32 SL82 mesh to road base and boardwalk 113 m² 12.00 1,356.00
33 SL102 mesh to road base and boardwalk 319 m² 20.50 6,539.50
Bar
34Reinforcement to slab including cut-off walls, low flow channel walls,
thickenings and wingwall footing (180kg/m³) 15.12 t 2,350.00 35,532.00
35 Reinforcement to wing wall (223kg/m³) 3.13 t 2,600.00 8,138.00
36 Reinforcement to head wall (190kg/m³) 4.18 t 2,600.00 10,868.00
37 Reinforcement to road base and boardwalk (22kg/m³) 1.10 t 2,350.00 2,585.00
38 Reinforcement to safety barrier (224kg/m³) 1.35 t 2,350.00 3,172.50
39 5m transition from safety barrier to kerb and gutter (200kg/m3) 4 No 350.00 1,400.00
ELARA DA ESTIMATES DECEMBER 2017 - SECTION 94 DETAILED CONCEPT PLANS
ROAD 622 - ROAD CULVERT CROSSING
21336.03 -Elara DA Est - Culvert Crossings - Dec 2017Road 622
Page 7 20/12/2017
ITEM DESCRIPTION OF WORK QUANTITY UNIT RATE AMOUNT
ELARA DA ESTIMATES DECEMBER 2017 - SECTION 94 DETAILED CONCEPT PLANS
ROAD 622 - ROAD CULVERT CROSSING
Joints & Dowels
40 Allowance for all joints 192 m² 55.00 10,560.00
Concrete
41
40MPa, 300mm thick reinforced concrete slab with concrete additive
including cut-off walls, low flow channel walls, thickenings and
wingwall footing
84 m³ 320.00 26,880.00
42 40MPa, 350mm thick concrete wing wall 14 m³ 360.00 5,040.00
43 40MPa, head wall concrete 22 m³ 360.00 7,920.00
44 40MPa, Concrete to road base and boardwalk 50 m³ 320.00 16,000.00
45 40MPa, Concrete to safety barrier 6 m³ 360.00 2,160.00
46 5m transition from safety barrier to kerb and gutter 4 No 575.00 2,300.00
Structural Backfill
47Backfill with approved engineered material above culverts and link
slab283 m³ 85.00 24,055.00
Reinforced concrete box culverts (RCBC - standard lengths
2.464m length)
48 Supply and install 2400 x 1200mm RCBC 56 m 2,050.00 114,800.00
49 Supply and install 2400 x 1500mm RCBC 14 m 2,160.00 30,240.00
50 Grout rebates with Class C high performance structural grout 168 m 25.00 4,200.00
51Grout side of low flow channel wall with Class C high performance
structural grout9 m² 80.00 720.00
SAFETY BARRIER
52 2 M12 chemsets at 400 ctrs 140 No 75.00 10,500.00
53 180 x 10 continuous plate 28 m 195.00 5,460.00
54 75 x 50 x 3 RHS 0.16 t 19,250.00 3,080.00
55 127 x 3.2 CHS top rail with end caps at doweled key concrete joints 0.28 t 12,650.00 3,542.00
CANTILEVERED STEEL FRAME FOOTPATH
56 250mm long 4M20 cast in galvanised bolts 168 No 165.00 27,720.00
571m long 150 PFC at 1200 ctrs including plates and 10mm thick
stiffener0.82 t 14,500.00 11,890.00
58 1.2m long 75x70 tee cut from 150UB 0.46 t 17,650.00 8,119.00
59 33.7 x 3.2 curved CHS 0.04 t 23,500.00 940.00
60 48.3 x 3.2 CHS handrail 0.17 t 17,500.00 2,975.00
61 Webforge / Wedlok F405 grating or equivalent fixed to PFC 47 m² 625.00 29,375.00
62 Stainless steel rod mesh to architects detail 56 m² 750.00 42,000.00
ROAD PAVEMENTS
63 300mm compacted subgrade 81 m² 45.00 3,645.00
64 160mm crushed sandstone sub-base course 81 m² 14.00 1,134.00
65 150mm DGB20 base course 81 m² 15.75 1,275.75
66 50mm AC 11 t 245.00 2,695.00
67 Kerb and gutter 20 m 65.00 1,300.00
68 Concrete footpaths 60 m² 105.00 6,300.00
STACKED ROCK RETAINING WALL
69 Excavate for retaining wall 56 m³ 65.00 3,640.00
70 Stacked rock retaining wall including an allowance for the base 111 m² 660.00 73,260.00
71 Backfill with excavated material 45 m³ 45.00 2,016.00
72 Subsoil drainage 105 m 50.00 5,250.00
73 200 wide gravel drain between backfill and geotextile 23 m³ 160.00 3,680.00
74 Geotextile 266 m² 12.00 3,196.80
SCOUR PROTECTION AND LANDSCAPING
Scour Protection Type 1
75 Excavate to reduced levels 68 m³ 10.00 680.00
76 Excavate to cut off wall 6 m³ 80.00 480.00
77 A64 geotextile fabric 206 m² 5.00 1,030.00
78 200mm deep 75-100mm aggregate 170 m² 18.00 3,060.00
79 600 x 300 deep rock cut off wall 30 m 240.00 7,200.00
80 Rip-rap scour protection 170 m² 160.00 27,200.00
81 Landscaping to scour protection area 170 m² 45.00 7,650.00
Scour Protection Type 1 in Culvert Low Flow Channel
82 Rip-rap scour protection 34 m² 160.00 5,440.00
Scour Protection Type 2
83 Grassroots nonwoven geotextile or Enkamat 7020 pinned in place 135 m² 17.50 2,362.50
84 Landscaping to scour protection area 135 m² 45.00 6,075.00
21336.03 -Elara DA Est - Culvert Crossings - Dec 2017Road 622
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ITEM DESCRIPTION OF WORK QUANTITY UNIT RATE AMOUNT
ELARA DA ESTIMATES DECEMBER 2017 - SECTION 94 DETAILED CONCEPT PLANS
ROAD 622 - ROAD CULVERT CROSSING
Turf Area
85 200mm topsoil with Kikuyu turf or hydroseed 940 m² 16.00 15,040.00
Maintenance
86 Watering, mowing, replacing plants etc until hand over to council 1 Item 1,557.00 1,557.00
STORMWATER
87 Allowance for splitters and connections through culverts 192 m² 40.00 7,680.00
STREET LIGHTING
88Thorn 'Urba' street light including an allowance for conduit and
cabling5 No 5,500.00 27,500.00
89 LED lighting to paths 27 m 350.00 9,450.00
SUB-TOTAL $837,175.00
INDIRECT COSTS
89 Preliminaries/On-site Overheads (12%) $100,461.00
90 Design (5.5%) $51,570.00
91 Contingency (5%) $49,461.00
92 Margin (7%) $72,707.00
TOTAL $1,111,374.00
21336.03 -Elara DA Est - Culvert Crossings - Dec 2017Road 622
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