5
Rijkswater The new tenderin applied in a tend Bidders were enc and working met Construct Standard tendering Predicted emissions of 2,100 tonnes of CO2 in 50 years due to materials use rstaat, the Netherlands ng method aimed at reducing CO2 emissions wa der for an infrastructural work worth 5,000,000 E couraged to offer a lean design and to apply inno thods. tion of a low-carbon mot Results 820 t emis (186 50 ye use GPP 2020 tender new procurement methodology predicted emissions of 1,280 tonnes CO2 in 50 years www.gpp2020.eu as successfully EUR. ovative materials torway exit tonnes less ssions of CO2 toe) over a period of ears due to materials

Construction of a low -carbon motorway exit€¦ · • The new tendering method aimed applied in a tender for an infrastructural work • Bidders were encouraged and working methods

  • Upload
    others

  • View
    0

  • Download
    0

Embed Size (px)

Citation preview

Page 1: Construction of a low -carbon motorway exit€¦ · • The new tendering method aimed applied in a tender for an infrastructural work • Bidders were encouraged and working methods

Rijkswaterstaat, the Netherlands

• The new tendering method aimed

applied in a tender for an infrastructural work

• Bidders were encouraged

and working methods

Construction of a low

Standard tendering

• Predicted emissions of

2,100 tonnes of CO2 in 50

years due to materials use

Rijkswaterstaat, the Netherlands

The new tendering method aimed at reducing CO2 emissions was successfully

applied in a tender for an infrastructural work worth 5,000,000 EUR.

encouraged to offer a lean design and to apply innovative materials

and working methods.

Construction of a low-carbon motorway exit

Results

• 820 tonnes less

emissions of CO

(186

50 years due to materials

use

GPP 2020 tender

• new procurement

methodology

• predicted emissions of

1,280 tonnes CO2 in 50

years

www.gpp2020.eu

emissions was successfully

worth 5,000,000 EUR.

to offer a lean design and to apply innovative materials

carbon motorway exit

820 tonnes less

emissions of CO2

toe) over a period of

50 years due to materials

Page 2: Construction of a low -carbon motorway exit€¦ · • The new tendering method aimed applied in a tender for an infrastructural work • Bidders were encouraged and working methods

2

Contract tendered• The tender included:

o an extension of the exit to Someren at the motorway A67 (between

Venlo) in the Netherlands

o the extension has to be realis

and the building of a slip roa

o the exit must be extended

o the renovation of the abutments and the pillars of the

Zuidwillemsvaart Canal

o the infrastructure must be designed

• Estimated total costs: €

Procurement approach• Tendering followed the open procedure

advantageous tender (MEAT

Rijkswaterstaat used MEAT procurement as a tool to select

energy efficient working process

lowest environmental impact.

the working process and the quality of the environmental impact.

• Working process: I

working processes efficiently

bidding price. The higher the efforts to reduce

deduction. The tool by which the

Performance Ladder, see

• Products: Rijkswaterstaat favours the bidder that offers the product with the lowest

environmental impact (CO

methods by deducting a

the impact, the higher the deduction

software instrument called DuboCalc

materials involved

“environmental costs indicator units”

http://www.youtube.com/watch

• The ECI Value and CO2 Performance

contracting authority provides

with all the functional requirements

organisations make a design and calculate the price and the ECI Value. They also state

how much effort they will put in their efforts to reduce CO2 emissions by

on the CO2 Performance

GPP 2020 case motorway exit

Contract tendered

an extension of the exit to Someren at the motorway A67 (between Eindhoven

the Netherlands;

has to be realised by building a bridge across the Zuidwillemsvaart Canal

and the building of a slip road in the current southern verge;

be extended with a about 1,600 meters;

renovation of the abutments and the pillars of the bridge across the

Zuidwillemsvaart Canal is also included in the tender;

he infrastructure must be designed and built

€ 5.000.000

Procurement approach Tendering followed the open procedure in combination with the most econo

advantageous tender (MEAT approach.

MEAT procurement as a tool to select a) the contractor with an

efficient working process, and b) the one that also offers the product with the

lowest environmental impact. The MEAT approach includes a pricing of both the quality of

the working process and the quality of the environmental impact.

In the tender Rijkswaterstaat favours companies that organi

working processes efficiently by deducting a fictional amount of money from the

bidding price. The higher the efforts to reduce CO2 emissions, the higher the

. The tool by which the pricing of the benefit is determined is called the CO

adder, see www.skao.nl.

Rijkswaterstaat favours the bidder that offers the product with the lowest

environmental impact (CO2 emission is a part of the impact) of materials and working

by deducting a fictional amount of money from the bidding price. The lower

the impact, the higher the deduction. The tool to calculate the deduction

software instrument called DuboCalc and is based on a life cycle analyses (LCA) of all

materials involved. The result of this DuboCalc calculation is expressed in

“environmental costs indicator units”, the ECI Value (see

http://www.youtube.com/watch?v=cAaL4FfBQNc).

Performance are used in the MEAT procedure as follows: the

provides organisations that expressed their interest in making a bid

all the functional requirements and technical framework conditions

organisations make a design and calculate the price and the ECI Value. They also state

how much effort they will put in their efforts to reduce CO2 emissions by

erformance Ladder. These three criteria (bidding price, CO

20 case motorway exit

Eindhoven and

ed by building a bridge across the Zuidwillemsvaart Canal

bridge across the

in combination with the most economical

the contractor with an

offers the product with the

The MEAT approach includes a pricing of both the quality of

companies that organise their

amount of money from the

s, the higher the

benefit is determined is called the CO2

Rijkswaterstaat favours the bidder that offers the product with the lowest

materials and working

amount of money from the bidding price. The lower

deduction is the a

n a life cycle analyses (LCA) of all

calculation is expressed in

procedure as follows: the

organisations that expressed their interest in making a bid

and technical framework conditions. These

organisations make a design and calculate the price and the ECI Value. They also state

how much effort they will put in their efforts to reduce CO2 emissions by selecting a stage

CO2 PL stage and ECI

Page 3: Construction of a low -carbon motorway exit€¦ · • The new tendering method aimed applied in a tender for an infrastructural work • Bidders were encouraged and working methods

GPP 2020 case study motorway exit

Value) are offered to the contracting authority. The contracting authority

benefits and deducts these from the bidding price. The

(fictional) price wins the tender

Experience shows that this procedure ensures

an inexpensive and environmentally friendly (and thus energy efficient) design

energy efficient working processes

• Beforehand the contracting

an ECI Value. CO2 emission is one of the (in total 11) parameters of the

calculation that contributes to the ECI

emitted as a result of all

re-use etc) and working processes

easily be calculated by subtracting the ECI

design. The ECI Value is

emissions of CO2.

• The DuboCalc software is based on an independent dataset containing certified LCA

information. The same dataset is also used to calculate the LCA performance of buildings

(houses, offices etc) in the Netherlands

Criteria development• The CO2 Performance Ladder was applied to this tender. According to the green

procurement policy of Rijkswaterstaat every stage of the ladder yielded an extra one

percent fictional deduction of the bidding price. The highest stage (stage 5) yields 5%

extra fictional deduction from the biding price.

• The reference design was used to estimate the quantities of materials applied in this

work. These quantities were used to calculate the ECI Value of the reference design with

DuboCalc. This resulted in a calculated EC

years. According to their professional knowledge the project team expected that the most

optimal design could reach an ECI Value of as low as 170.000.

• The project team decided that a maximum deduction of the

euro would be applied for green procurement purposes in this tender. This meant that

the bidder that could make the work with an ECI Value of as low as 170.000 would be

awarded with a – fictional

that scored 240.000 would have no deduction from the bidding price. Other ECI Values

would result in a deduction proportional to the ECI Value.

20 case study motorway exit

to the contracting authority. The contracting authority

benefits and deducts these from the bidding price. The bidder with the lowest combined

wins the tender.

Experience shows that this procedure ensures that bidders do their utmost best to make

an inexpensive and environmentally friendly (and thus energy efficient) design

energy efficient working processes.

Beforehand the contracting authority makes a reference design and uses this to

emission is one of the (in total 11) parameters of the

calculation that contributes to the ECI Value. This CO2 emission is the amount that is

all building materials involved (production, transport,

and working processes. The amount of CO2 emission that is reduced can

easily be calculated by subtracting the ECI Value of the offered design from the reference

I Value is directly proportional to the reduction in energy use

The DuboCalc software is based on an independent dataset containing certified LCA

information. The same dataset is also used to calculate the LCA performance of buildings

in the Netherlands.

Criteria development Performance Ladder was applied to this tender. According to the green

procurement policy of Rijkswaterstaat every stage of the ladder yielded an extra one

percent fictional deduction of the bidding price. The highest stage (stage 5) yields 5%

nal deduction from the biding price.

The reference design was used to estimate the quantities of materials applied in this

work. These quantities were used to calculate the ECI Value of the reference design with

DuboCalc. This resulted in a calculated ECI Value of 240.000 for a design life time of 50

years. According to their professional knowledge the project team expected that the most

optimal design could reach an ECI Value of as low as 170.000.

The project team decided that a maximum deduction of the bidding price of 400.000

euro would be applied for green procurement purposes in this tender. This meant that

the bidder that could make the work with an ECI Value of as low as 170.000 would be

fictional - deduction of the bidding price of 400.000 Euros. A design

that scored 240.000 would have no deduction from the bidding price. Other ECI Values

would result in a deduction proportional to the ECI Value.

3 3

to the contracting authority. The contracting authority calculates the

bidder with the lowest combined

do their utmost best to make

an inexpensive and environmentally friendly (and thus energy efficient) design and apply

authority makes a reference design and uses this to calculate

emission is one of the (in total 11) parameters of the DuboCalc

emission is the amount that is

(production, transport, demolishing,

emission that is reduced can

alue of the offered design from the reference

directly proportional to the reduction in energy use and

The DuboCalc software is based on an independent dataset containing certified LCA

information. The same dataset is also used to calculate the LCA performance of buildings

Performance Ladder was applied to this tender. According to the green

procurement policy of Rijkswaterstaat every stage of the ladder yielded an extra one

percent fictional deduction of the bidding price. The highest stage (stage 5) yields 5%

The reference design was used to estimate the quantities of materials applied in this

work. These quantities were used to calculate the ECI Value of the reference design with

I Value of 240.000 for a design life time of 50

years. According to their professional knowledge the project team expected that the most

bidding price of 400.000

euro would be applied for green procurement purposes in this tender. This meant that

the bidder that could make the work with an ECI Value of as low as 170.000 would be

400.000 Euros. A design

that scored 240.000 would have no deduction from the bidding price. Other ECI Values

Page 4: Construction of a low -carbon motorway exit€¦ · • The new tendering method aimed applied in a tender for an infrastructural work • Bidders were encouraged and working methods

4

Results • The new procurement method was successfully applied

price of 2.987.000 EUR

• The winner offered to perform the work under the regime of the fifth rung of the CO

Performance Ladder, so he earned

EUR

• The winner offered an ECI Value of 144,

170,000 that was expected. It assured him of the maximum fiction

400,000 EUR.

• The bidding price corrected for

149.350 = 2.437.650 EUR

prices.

Results • The calculated ECI Value

50 years. This equals a CO

• The winner offered in the tender

CO2 emission.

• The new procurement method yielded 820 tonnes less emission of CO

50 years

• The reduction of CO2 emission can be attributed to:

o construction (winning/production of

o maintenance: 41 tonnes

o end of life time (demolition):

• The reduction in CO2 emission in construction is due to:

o use of innovative asphalt cover

o an innovative, leaner design leading to les

o well thought-out logistics combined with less displacement of material

(Low Carbon Solution)

(Last Tender/or „worst case“)

Savings

GPP 2020 case motorway exit

The new procurement method was successfully applied. The winner offered a bidding

EUR (excluding VAT).

The winner offered to perform the work under the regime of the fifth rung of the CO

Performance Ladder, so he earned a fictional deduction of 5% * 2,9870.000 = 149,

ered an ECI Value of 144,000. This was even better than the maximum of

000 that was expected. It assured him of the maximum fictional deduction of

The bidding price corrected for the fictional deductions was: 2,987.000

EUR. This was the lowest price compared to the corrected bidding

The calculated ECI Value for the reference design is 240,000 for a design life time of

CO2 emission of 2,100 tonnes.

The winner offered in the tender an ECI Value of 144,000, which equals 1,

The new procurement method yielded 820 tonnes less emission of CO2

emission can be attributed to:

construction (winning/production of materials): 644 tonnes

41 tonnes

nd of life time (demolition): 151 tonnes

emission in construction is due to:

use of innovative asphalt cover

an innovative, leaner design leading to less material use

out logistics combined with less displacement of material

CO2 emissions (t CO2e/50 years)

Energy consumption(toe/

(Low Carbon Solution) 1,280

(Last Tender/or „worst case“) 2,100

820 t CO2e/50 years 186

20 case motorway exit

The winner offered a bidding

The winner offered to perform the work under the regime of the fifth rung of the CO2

a fictional deduction of 5% * 2,9870.000 = 149,350

better than the maximum of

al deduction of

the fictional deductions was: 2,987.000 – 400,000 –

. This was the lowest price compared to the corrected bidding

00 for a design life time of

an ECI Value of 144,000, which equals 1,280 tonnes of

2 over a period of

out logistics combined with less displacement of material

Energy consumption (toe/50 years)

290

476

186 toe/50 years

Page 5: Construction of a low -carbon motorway exit€¦ · • The new tendering method aimed applied in a tender for an infrastructural work • Bidders were encouraged and working methods

GPP 2020 case study motorway exit

Lessons learned• The new procurement method was applied successfully and Rijkswaterstaat will continue

applying this method in the coming tenders

• The bidders must have the freedom to make their own choices, so they should only be

provided with functional requirements and technical framework conditions. The market

appreciates this approach.

• The client must have a well

for improvement in order to predict a maximum ECI Value

• The gains of this tendering procedure should justify the costs; i.e. the reduction of carbon

emission should outweigh the tendering costs. It is therefore necessary to perfor

sensitivity analysis to assess this.

• Rijkswaterstaat will apply this method in the coming tenders

• The client must have the technical skills to make a well

to know where there is room for improvement in order to predict

Contact Leendert A. van Geldermalsen

Advisor Green Procurement

Rijkswaterstaat, The Netherlands

[email protected]

Tender accessible at: http://tinyurl.com/n39ee94

Websites: www.rijkswaterstaat.nl

20 case study motorway exit

Lessons learned The new procurement method was applied successfully and Rijkswaterstaat will continue

applying this method in the coming tenders

The bidders must have the freedom to make their own choices, so they should only be

functional requirements and technical framework conditions. The market

appreciates this approach.

The client must have a well-thought-out reference design and know where there is room

for improvement in order to predict a maximum ECI Value

The gains of this tendering procedure should justify the costs; i.e. the reduction of carbon

emission should outweigh the tendering costs. It is therefore necessary to perfor

sensitivity analysis to assess this.

Rijkswaterstaat will apply this method in the coming tenders

The client must have the technical skills to make a well-thought-out reference design and

to know where there is room for improvement in order to predict a maximum ECI Value.

Leendert A. van Geldermalsen

Rijkswaterstaat, The Netherlands

[email protected]

http://tinyurl.com/n39ee94

www.rijkswaterstaat.nl, http://duurzaamgww.nl

5 5

The new procurement method was applied successfully and Rijkswaterstaat will continue

The bidders must have the freedom to make their own choices, so they should only be

functional requirements and technical framework conditions. The market

know where there is room

The gains of this tendering procedure should justify the costs; i.e. the reduction of carbon

emission should outweigh the tendering costs. It is therefore necessary to perform a

out reference design and

a maximum ECI Value.